stereoregularity

[ ster-ee-oh-reg-yuh-lar-i-tee, steer- ]
/ ˌstɛr i oʊˌrɛg yəˈlær ɪ ti, ˌstɪər- /

noun Chemistry.

(of a polymer) the degree to which successive configurations in space along the chain follow a simple rule.

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What does “vacillate” mean?
Also called tacticity.

Origin of stereoregularity

1955–60; stereo- + regularity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020