follow Dictionary.com

What is the X in X-mas?

viscosity index

noun, Automotive, Machinery
1.
an arbitrary scale for lubricating oils that indicates the extent of variation in viscosity with variation of temperature.
Origin
1935-1940
1935-40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source

Word of the Day

Difficulty index for viscosity index

Few English speakers likely know this word

Word Value for viscosity

0
18
Scrabble Words With Friends

Quotes with viscosity-index