Alternative form of internal combustion engine

plural of Old English Sheepdog

plural of energy source

(informal) Very little space (available) (of a very small room).

Nothing good lasts forever.

plural of English wheel

A manually-operated metalworking apparatus used to form smooth, compound curves from flat sheets of metal.

plural of end rhyme

(often uncountable) The form of rhyme (rhyming) which uses sameness of sound of the last words of lines from the vowels in their stressed syllables to their ends.

(physics) Mass and energy as a unified concept. / (also spelled mass energy) The energy associated with any given mass according to special relativity, E = mc².