Main Entry: bot·a·ny
Pronunciation: 'bä-t&n-E, 'bät-nE
Function: noun
Inflected Form(s): plural -nies
Etymology: botanic botanical + 2-y
Date: 1696
1 : a branch of biology dealing with plant life
2 a : plant life b : the properties and life phenomena exhibited by a plant, plant type, or plant group
Main Entry: poly·ure·thane
Pronunciation: "pä-lE-'yur-&-"thAn
Function: noun
Etymology: International Scientific Vocabulary
Date: 1944
: any of various polymers that contain NHCOO linkages and are used especially in flexible and rigid foams, elastomers, and resins (as for coatings)