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''rectilinear'' ▫ᴱᴺ｜Definition｜1st｜20260209193607-00-⌔
rectilinear - Wiktionary, the free dictionary
English
Adjective
rectilinear (comparative more rectilinear, superlative most rectilinear)
- In a straight line.
- ✤ The crankshaft and connecting rods of an engine convert the rectilinear motion of the pistons to rotary motion of the flywheel.
- (geometry, art) Formed from straight lines.
Etymology
From post-Classical Latin; either from rectilīneāris or from rectilīneus (whence rectiline) + -ar, in both cases ultimately deriving from rectus (“straight”) + līnea (“line”).
Pronunciation
- (General American) IPA: /ˌɹɛktɪˈlɪniɚ/
- (Received Pronunciation) IPA: /ˌɹɛktɪˈlɪnɪə/
- Hyphenation: rec‧ti‧lin‧ear
- Audio (Southern England): 🔊
Printed 2026-06-28.
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