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ruled surface
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This shows grade level based on the word's complexity.
noun Geometry.
a surface that can be generated by a straight line, as a cylinder or cone.
QUIZ
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Origin of ruled surface
First recorded in 1860–65
Words nearby ruled surface
Ruisdael, Rukeyser, Rukwa, RUL, rule, ruled surface, rule joint, ruleless, rule of bigeminy, rule of eleven, rule of engagement
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022