compression (noun)
51compressional — compression ► NOUN 1) the action of compressing or being compressed. 2) the reduction in volume (causing an increase in pressure) of the fuel mixture in an internal combustion engine before ignition. DERIVATIVES compressional adjective …
52concentration — I (centralization) noun agglomeration, aggregation, assemblage, collection, combination, compilation, confluence, contemplation, cumulation, density, horde, immersion II (compression) noun absorption, accumulation, agglomeration, amassment,… …
53diesel engine — noun an internal combustion engine that burns heavy oil • Syn: ↑diesel, ↑diesel motor • Hypernyms: ↑internal combustion engine, ↑ICE • Part Holonyms: ↑diesel locomotive * * * …
54compressional wave — noun also compression wave : a longitudinal wave (as a sound wave) propagated by the elastic compression of the medium * * * compressional wave, = compression wave. (Cf. ↑compression wave) …
55compressing — noun applying pressure • Syn: ↑compression • Ant: ↑decompression (for: ↑compression) • Derivationally related forms: ↑compress, ↑compress …
56constriction — noun 1. a narrowing that reduces the flow through a channel (Freq. 1) • Syn: ↑bottleneck, ↑chokepoint • Derivationally related forms: ↑bottleneck (for: ↑bottleneck), ↑constrict …
57supercompression — “+ noun Etymology: super + compression : the compression of a portion of a compressed fuel air mixture during the last stages of the compression stroke in a mixed cycle internal combustion engine to a much higher temperature than the remainder *… …
58thrust fault — noun a geological fault in which the upper side appears to have been pushed upward by compression • Syn: ↑overthrust fault, ↑reverse fault • Hypernyms: ↑inclined fault * * * noun : a reverse fault in which the angle between the horizontal and the …
59sound wave — noun (acoustics) a wave that transmits sound (Freq. 3) • Syn: ↑acoustic wave • Topics: ↑acoustics • Hypernyms: ↑wave, ↑undulation …
60compressional wave — noun Date: 1875 a longitudinal wave (as a sound wave) propagated by the elastic compression of the medium called also compression wave …