paraformaldehyde

(redirected from trioxymethylene)
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par·a·for·mal·de·hyde

 (păr′ə-fôr-măl′də-hīd′)
n.
A white solid oligomer of formaldehyde, (CH2O)n, where n is at least 6, used as a disinfectant, fumigant, and fungicide.

paraformaldehyde

(ˌpærəfɔːˈmældɪˌhaɪd) or

paraform

n
(Elements & Compounds) 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

par•a•form•al•de•hyde

(ˌpær ə fɔrˈmæl dəˌhaɪd, -fər-)

n.
a white, crystalline polymer of formaldehyde, (HCOH)n, used chiefly as an antiseptic. Also called par′a•form` (-ˌfɔrm)
[1930–35]