a surface that can be generated by a straight line, as a cylinder or cone.
Basic Spelling Rules ExplainedYou can teach yourself to be a better speller. It is important to realize that learning to spell is a process that is never complete. Spelling is something that everyone has to pay attention to and keep working at it. BASIC SPELLING RULES Short-Vowel Rule: When one-syllable words have a vowel in the middle, the vowel usually has a short sound. Examples: cat, dog, man, …
Origin of ruled surface
First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019