In order to speak with precision about base-duration (1 + 3) I’ve had to invent many new terms. I’ve tried to make them parallel to the corresponding length-time (3 + 1) terms and to follow scientific practice of using Greek and Latin roots. These new terms are placed parallel to their corresponding terms in two pdf’s, ** Parallel Glossary for Classical Physics** and

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**Parallel Glossary for Relativity Physics**Note that the term *time* has multiple meanings: duration, distime, dischronment, and timeline. The term *space* also has multiple meanings: length, distance, displacement, and baseline.

The terms below are presented in this format: term in bold, definition, units, etymology, and in some cases a suggested symbol. Other terms in this glossary are in italics.

**acceleration** is the change in the *displacement* per unit of its dischronment magnitude; verb is *accelerate* with negative *decelerate*; no acceleration is *unaccelerated*; units of m/s²; symbol **a**.

**alacrity** is the ratio of surge per unit of baseline: *Q* ≡ d*V*/d*s* = **G**·**u**; units: 1/J·m = O·s/m.

**angle** (*θ* or *ϕ*) is a proportion of a circle between two rays intersecting in a point.

**angle direction** is the angle from a reference ray.

**angular fulmentum** for a *transicle* is the fulment of fulmentum, **Γ** ≡ **t** × **q**, the cross product of the particle’s *chronation* vector, **t**, and its *fulmentum* vector, **q** = n**u**.

**angular momentum** for a point particle is the moment of momentum, **L** ≡ **r** × **p**, the cross product of the particle’s location vector, **r**, and its momentum vector, **p** = m**v**.

**base** is the length variable of an independent uniform motion, equal to the location vector magnitude of *simulbasal* points; symbol *r* or *s*; adjective *basal*.

**baseline** is an ordering of events by their basepoint, relative to an origin point.

**basepoint** is a base value.

**body** is a physical entity with a *baseline* and a *timeline*.

**carrier (wave) **is a body with *vass* that fills an occasion; a measure of the reserve content of a body.

**center of mass** (or *bathycenter*) is the normalized moment of mass; **R** = (1/*M*) Σ_{i} **r**_{i}* m*_{i}.

**center of vass** (or *elaphrocenter*) is the normalized fulment of vass; **T** = (1/*N*) Σ_{i} **t**_{i}* n*_{i}.

**chronation** (duration position) of an instant is the *dischronment* vector to it from the origin instant; symbol **t**.

**chronometry** is the study of duration space.

**chronus** is the set of all instants meeting some criteria.

**circular motion:** base circumference S = wavelength *λ* = *v*/*f*; circular arc *s*; base radius R; length angle *θ *= *s*/R; frequency *f *= 1/T = *v*/*λ*; angular velocity *v *= S/T = *λf*; if S = 1, then *v *= *f*; if R = 1, then *v *= *ω *= 2π*f *= *θ*/*t*.

**clock** (or *horologe*) is a device that continually displays the present timepoint and runs indefinitely.

**cyclic motion:** time period T = wave duration *μ* = *u*/*h*; rotation time *t*; time radius Q; duration angle *ϕ *= *t*/Q; periodicity *h *= 1/S = *u*/*μ*; angular legerity *u *= T/S = *μh*; if T = 1, then *u *= *h*; if Q = 1, then *u *= *ψ* = 2π*h* = *θ*/*s*.

**dischronment** is a vector of distime and turn direction between two instants.

**displacement** is a vector of distance and angle direction between two points.

**distance** (space interval) is (1) the length of uniform motion between two points in 3D space; (2) the absolute difference between two base values; or (3) the magnitude of a displacement vector; symbol *s*.

**distime** (time interval) is (1) the duration of uniform motion between two instants in 3D time; (2) the absolute difference between two time values; or (3) the magnitude of a displacement vector; symbol *s*.

**duration** is the extent of a motion as measured by a stopwatch or clock.

**duration origin** is a reference instant.

**duration manifold** (3D time) is a Euclidean space of three duration dimensions.

**duration-baseline** is 3D duration space with a baseline (1+3).

**elaphra** is the *rush* exerted on a body by *levity*.

**energy** is the capacity for doing work; units, J ≡ N·m = W·s; symbol *E*.

**event** is a physical occurrence with location and chronation.

**event order** is a baseline or timeline.

**expedience **is the change in the *dischronment* per unit of its displacement magnitude; verb is *expedite* with negative *de-expedite*; no expedience is *inexpedienced*; units of s/m²; symbol **b**.

**facilia **(linear) is the nonresistance of a body to a change in its state of movement; Latin for *easy*.

**facilial system **has bodies at rest or moving with constant legerity.

**force** is the duration rate of change of *momentum*; units in newtons, N = kg m s^{‒2}; symbol **F** ≡ d**p**/d*t*, e.g., *m***a**.

**fulment** is the product of a physical quantity such as *vass* or *rush* and its distime from or to an instant.

**fulment of facilia** is the second fulment of vass; *J* ≡ Σ_{i} *t*_{i}^{2} *n*_{i}.

**fulmentum** (ful∙men′∙tum) is the *vass* times the *legerity*; the length rate of change of the vass-distime fulment; Latin, prop, support; units of kg^{‒1} s m^{‒1}; symbol **q** = *n***u**.

**geometry** is the study of length space.

**gravitation** is the mutual force that all bodies have, which is directed toward the mutual center of mass.

**hustle** is a *rush* **G** applied over a length d*s*, or change in *fulmentum*; units O·m; symbol **K **≡** G**·d*s* = d**q**.

**impulse** is a force **F** applied over a duration d*t*, or the change in momentum; units N·s; symbol **J** ≡ **F**·d*t* = d**p**.

**inertia** (linear) is the resistance of a body to any change in its state of motion.

**inertial system** has bodies at rest or moving with constant velocity.

**instant** is an event with effectively zero duration.

**instantaneous** events occur in one timepoint.

**isochron** line shows *equidistimed* events.

**isodistance** line shows *equidistant* events.

**kinetic energy** KE = ½ *m***v**².

**kinetic reserve** KR = ½ *n***u**².

**legerity** (le·jer′·i·ty) of a body in motion is the ratio of its *dischronment* to the change in baseline; symbol **u**; mean legerity is Δ**t**/Δ*s*; *puncbasal* *legerity* is d**t**/d*s* = d**t**/|d**s**|; from Middle French *legereté*, quickness or lightness in movement.

**length** is the extent of a motion as measured by a rigid rod or a measuring wheel.

**length origin** is a reference point.

**length scale** is a ratio of distance on a map vs. the world.

**length manifold** (3D space) is a Euclidean space of three length dimensions.

**length-timeline** is 3D length space with a timeline (3+1).

**levitation** is the mutual *rush* that all bodies have, which is directed toward the mutual center of *vass*.

**location **(or length position) of a point in length space is the *displacement* vector to it from the origin point; symbol **s**.

**locus** is the set of all points meeting some criteria.

**mass** is the resistance of a body to a change in its condition of motion as a net force is applied; inverse of *vass*; units of kg; symbol *m*.

**matter** (particle) is a body with *mass* that occupies a place; a measure of the energy content of a body.

**metre** is the SI unit of length, distance, space interval or base interval.

**metrloge** (metr′∙loje) is a device that continually displays the present basepoint and continues indefinitely.

**metric of motion** is the extent of motion as measured by length or duration.

**moment** is the product of a physical quantity such as mass or force and its distance from or to a point or axis.

**moment of inertia** is the second moment of mass; *I* ≡ Σ_{i} *r*_{i}^{2} *m*_{i}.

**momentum** (linear) is the *mass* times the *velocity*; the time rate of change of the mass-distance moment; Latin; units in kg m s^{‒1}; symbol **p** = *m***v**.

**motion manifold** is a 2 × 3D Euclidean manifold of ordered pairs of length and duration position, called *location* and *chronation*.

**motion of a body** is a continuous change of its location and chronation.

**pace** of a motion is the ratio of its duration to the base unit or interval without regard to direction; symbol *u*; from racing; units of s/m, min/km, etc.; *puncbasal* pace is d*t*/d*s*, which equals the magnitude of *puncbasal* *legerity*.

**period** is a time interval.

**point** is an event with effectively zero length.

**power** is the ratio of work per unit of time: *P* ≡ d*W*/d*t* = **F** · **v**; units: Watt, W = J/s = N·m/s.

**puncbasal** events occur in one basepoint.

**reference frame** is a space-time coordinate system and set of reference points in space-time.

**reference timeframe** is a time-space coordinate system and set of reference points in time-space.

**reserve** (lethargy) is the capacity for surge; units, 1/J ≡ O·s; symbol *Z* = 1/*E*.

**rush** is the length rate of change of *fulmentum*; units in *oldtons*, O = kg^{‒1} s m^{‒2}; symbol **G** ≡ d**q**/d*s*, e,g., *n***b**.

**second** is the SI unit of duration, distime, or time interval.

**simulbaseity **is the relation between events with the same basepoint; adjective *simulbasal*.

**simultaneity** is the relation between events with the same timepoint; adjective *simultaneous*.

**speed** of a motion is the ratio of its length to the time unit or interval without regard to direction; symbol *v*; units of m/s, km/hr, etc.; instantaneous speed is d*s*/d*t*, which equals the magnitude of instantaneous velocity.

**s****tretch** is a baseline interval.

**strophence **is the fulment of rush; the rate of change of angular *fulmentum* of a body, **σ*** = *I**β**; from Greek *strophe*, turn + (e)*nce.*

**surge** (1/work) is a *rush* **G** applied over a *dischronment* **t**: *X* ≡ **G**·**t**; for a constant *rush*: *X = G* d*t* = *Q* d*s*; units O·s.

**symbasal **arcloges display the same basepoints; verb *symbasalize* to make symbasal.

**synchronous **clocks display the same timepoints; verb *synchronize* to make synchronous.

**time** is the duration variable of an independent uniform motion, equal to the chronation vector magnitude of simultaneous instants; symbol *t*; adjective *temporal*.

**time scale** is a ratio of distime on a map vs. the world.

**timeline** is an ordering of events by their timepoint, relative to an origin instant.

**timepoint** is a time value.

**torque** is the moment of force; the rate of change of angular momentum of a body, **τ*** = *I**α**; units: N·m.

**travel distance** (arc length) is the length along a curve.

**travel time** (arc duration) is the duration along a curve.

**turn angle** (*χ* or *ψ*) is a proportion of a uniform revolution between two rays intersecting in an instant.

**turn direction** is the turn angle from a reference ray.

**vass **(or spread) is the nonresistance of a body to a change in its condition of movement as a net *rush *is applied; inverse of mass; from vast; units of kg^{‒1}; symbol *n*.

**velocity** (vel∙o′∙ci∙ty) of a body in motion is the ratio of its *displacement* to the change in time; symbol **v**; mean velocity is Δ**r**/Δ*t*; timepoint (instantaneous) velocity is d**s**/d*t* = d**s**/|d**t**|; from Latin *velocitas*, swiftness, rapidity.

**weight** is the force exerted on a body by gravity.

**work** is a force **F** applied over a displacement **s**: *W* ≡ **F**· **s**; for a constant force: *W = F* d*s* = *P* d*t*; units: J = N·m.