Definition of Progresion
Pro*gres"sion (?), n. [L.
progressio: cf. F. progression.]
1. The act of moving forward; a proceeding in
a course; motion onward.
2. Course; passage; lapse or process of
time.
I hope, in a short progression, you will be
wholly immerged in the delices and joys of religion.
Evelyn.
3. (Math.) Regular or proportional
advance in increase or decrease of numbers; continued proportion,
arithmetical, geometrical, or harmonic.
4. (Mus.) A regular succession of tones
or chords; the movement of the parts in harmony; the order of the
modulations in a piece from key to key.
Arithmetical progression, a progression in
which the terms increase or decrease by equal differences, as the
numbers &lbrace2;2, 4, 6, 8, 10 10, 8, 6, 4,
2 &rbrace2; by the difference 2.
-- Geometrical progression, a progression in
which the terms increase or decrease by equal ratios, as the numbers
&lbrace2;2, 4, 8, 16, 32, 64 64, 32, 16, 8,
4, 2 &rbrace2; by a continual multiplication or
division by 2.
-- Harmonic progression, a progression in
which the terms are the reciprocals of quantities in arithmetical
progression, as ½, ¼, ⅙, ⅛,
&frac1x10;.
- Webster's Unabridged Dictionary (1913)
- Moving from one thing to another.
- The Nuttall Encyclopedia
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The correct Spelling of this word is: Progression
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