an internal-combustion rotary engine that utilizes a triangular rotor that revolves in a chamber (rather than a conventional piston that moves up and down in a cylinder): it has fewer moving parts and is generally smaller and lighter for a given horsepower.
Irreparable vs. UnrepairableThe words irreparable and unrepairable are synonyms that mean unable to be fixed. Both irreparable and unrepairable are adjectives (words that modify nouns by describing an aspect of them). Irreparable was first used between the late 1300s to early 1400s. It’s a Middle English word derived from the Latin term, irreparabilis, meaning not able to be recovered. Unrepairable is a related form of the verb …
The Deep Web Vs. The Dark WebDeep web and dark web are so technical in nature that we came across a lot of confusion as to what they actually mean in our research. More tech-savvy publications generally have a disclaimer when discussing the dark web, pleading with their readers that this is not to be confused with the deep web, which is related, but not at all the same thing. So, what exactly are the dark web and the deep web, and why are technology reporters so wary when using either term?
Origin of Wankel engine
named after F. Wankel
Also called Wan·kel.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for wankel engine
/ (ˈwæŋkəl) /
a type of four-stroke internal-combustion engine without reciprocating parts. It consists of one or more approximately elliptical combustion chambers within which a curved triangular-shaped piston rotates, by the explosion of compressed gas, dividing the combustion chamber into three gastight sections
Word Origin for Wankel engine
C20: named after Felix Wankel (1902–88), German engineer who invented it
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012