para formaldehyde


[par-uh-fawr-mal-duh-hahyd, -fer-]
noun Chemistry.
a white, crystalline polymer of formaldehyde, (HCOH) n , from which it is obtained by evaporation of the aqueous solution: used chiefly as an antiseptic.
Also called paraform [par-uh-fawrm] .

1930–35; para-1 + formaldehyde Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
paraformaldehyde or paraform (ˌpærəfɔːˈmældɪˌhaɪd)
a white amorphous solid polymeric form of formaldehyde: used as a convenient source of formaldehyde and as a fumigant. Formula: (CH2O)n, where n lies between 6 and 50
paraform or paraform

Collins English Dictionary - Complete & Unabridged 10th Edition
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