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**; instantaneous (timepoint) acceleration is d**v**/d*t* = d**v**/|d**t**|.

**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**.

**body** is a physical entity with location and chronation.

**carrier **(wave) is a body with *etherance* that fills an occasion; a measure of the lethargy 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 etherance** (or *elaphrocenter*) is the normalized fulment of *etherance*; **T** = (1/*N*) Σ_{i} **t**_{i}* n*_{i}.

**chronation** (or duration position) of an instant in 3D time is the vector to it from the time origin; symbol **t**.

**circular motion:** stance circle S = wavelength *λ* = *v*/*f*; circular arc *s*; length 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** device displays the present timepoint.

**cyclic motion:** duration period T = wave duration *μ* = *u*/*h*; rotation duration *t*; duration radius Q; duration angle *ϕ *= *t*/Q; periodicity *h *= 1/S = *u*/*μ*; angular *lenticity* *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(s) between two instants.

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

**distance** is (1) the length of uniform motion between two points at a reference speed; (2) the absolute difference between two stance values; or (3) the magnitude of a displacement vector; symbol *s*.

**distime** is (1) the duration of uniform motion between two instants at a reference pace; (2) the absolute difference between two time values; or (3) the magnitude of a dischronment vector; symbol *t*.

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

**duration** is the extent of a motion as measured by a stopwatch or clock, with a sign indicating the direction of measurement.

**duration manifold** is a Euclidean manifold with three duration dimensions.

**duration**** mean pace **is the harmonic mean of paces with a common duration unit.

**duration**** mean speed** is the arithmetic mean of speeds with a common duration unit.

**duration scale** is a ratio of map distime interval vs. actual distime interval.

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

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

**etherance **is the nonresistance of a body to a change in its condition of movement as a net *release *is applied; inverse of mass; from vast; units of kg^{‒1}; symbol *n*.

**event** is a physical occurrence with location and chronation; or the point and instant of an occurrence.

**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 *lenticity*.

**force** is the time 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 *etherance* or *release* and its distime from or to an instant.

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

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

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

**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 no duration.

**instantaneous** events occur in an instant.

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

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

**kinematics** is the set of ordered pairs of relative length and duration position, called *location* and *chronation*.

**kinetic energy** KE = ½ *m***v**².

**kinetic lethargy** KR = ½ *n***u**².

**length** is the extent of a motion as measured by a rigid rod or a measuring wheel, with a sign indicating the direction of measurement.

**length manifold** is a Euclidean manifold with three length dimensions.

**length mean pace** is the arithmetic mean of paces with a common length unit.

**length mean speed** is the harmonic mean of speeds with a common length unit.

**length scale** is a ratio of map distance vs. actual distance.

**lenticity** (len·tis′·i·ty) of a body in motion is the ratio of its *dischronment* to the change in stance; symbol **u**; mean *lenticity* is Δ**t**/Δ*s*; puncstanceous (or *stancepoint*) *lenticity* is d**t**/d*s* = d**t**/|d**s**|; from Latin *lentus*, slow, sluggish.

**lethargy** is the capacity for repose; units, 1/J ≡ O·s; symbol *Q* = 1/*E*.

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

**location** (or length position) of a point in 3D space is the vector to it from the space origin; symbol **s**.

**mass** is the resistance of a body to a change in its condition of motion as a net force is applied; inverse of *etherance*; 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, or stance.

**metreloge** device displays the present stancepoint.

**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, movement; units in kg m s^{‒1}; symbol **p** = *m***v**.

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

**pace** of an event is its space rate of motion, that is, the ratio of its duration to the stance unit without regard to direction; symbol *u*; from racing; units of s/m, min/km, etc.; **puncstanceous** (or stancepoint) pace is d*t*/d*s*, which equals the magnitude of *puncstanceous* *lenticity*.

**periods** (of time) are timeline intervals.

**placidity** is the ratio of repose per unit of stanceline: *Z* ≡ d*V*/d*s* = **R**·**u**; units: 1/J·m = O·s/m.

**point** is an event with no length.

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

**puncstanceous** events occur in a point.

**reference frame **is a method of describing the location, velocity, and acceleration of a body.

**reference timeframe** is a method of describing the chronation, *lenticity*, and retardation of a body.

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

**repose** (inverse of work) is a release **R** applied over a *dischronment* **t**: *X* ≡ **R**·**t**; for a constant *release*: *Y = R* d*t* = *Z* d*s*; units O·s.

**retardation **is the change in the *dischronment* per unit of its displacement magnitude; verb is *retard* with negative *de-retard* (or expedite); no retardation is *unretarded*; units s/m²; symbol **b**; puncstanceous (stancepoint) retardation is d**u**/d*s* = d**u**/|d**s**|.

**second** is the SI unit of duration, distime.

**simulstanceity **is the relation between events with the same stancepoint; adj. *simulstanceous*.

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

**space origin** is a reference point.

**spaces** (or spans) are stanceline intervals.

**speed** of a body is its time rate of motion, that is, the ratio of its length to the duration unit without regard to direction; symbol *v*; units of m/s, km/hr, etc.; instantaneous (or timepoint) speed is ds/dt, which equals the magnitude of instantaneous velocity.

**stance** is the magnitude of a location vector; symbol *s*; *adj*. stancial.

**stanceline** is a line of stancepoints in event order.

**stancepoint** is a stance value.

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

**synchronous**, has the same timepoints; verb *synchronize*, make synchronous.

**synstanceous**, has the same stancepoints; vb. *synstancize*, make synstaneous.

**time** is the magnitude of a chronation vector; symbol *t*.

**time origin** is a reference instant.

**timeline** is a line of timepoints in event order.

**timepoint** (or instant) 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.

**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*; instantaneous (or timepoint) 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.