Definition of paraformaldehyde in English:

paraformaldehyde

noun ˌparəfəˈmaldɪhʌɪdˌparəfɔːˈmaldɪhʌɪd

Chemistry

A white crystalline solid, obtained by the evaporation of an aqueous solution of formaldehyde (methanal), which is a polymer of formaldehyde and is used as a disinfectant, fumigant, and bactericide, and as an intermediate in chemical synthesis; polyoxymethylene, (HCHO)ₙ.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From para- + formaldehyde.

Definition of paraformaldehyde in US English:

paraformaldehyde

noun

Chemistry

A white crystalline solid, obtained by the evaporation of an aqueous solution of formaldehyde (methanal), which is a polymer of formaldehyde and is used as a disinfectant, fumigant, and bactericide, and as an intermediate in chemical synthesis; polyoxymethylene, (HCHO)ₙ.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From para- + formaldehyde.

单词	paraformaldehyde
释义	Definition of paraformaldehyde in English: paraformaldehyde noun ˌparəfəˈmaldɪhʌɪdˌparəfɔːˈmaldɪhʌɪd Chemistry A white crystalline solid, obtained by the evaporation of an aqueous solution of formaldehyde (methanal), which is a polymer of formaldehyde and is used as a disinfectant, fumigant, and bactericide, and as an intermediate in chemical synthesis; polyoxymethylene, (HCHO)ₙ. Origin Late 19th century; earliest use found in Journal of the Chemical Society. From para- + formaldehyde. Definition of paraformaldehyde in US English: paraformaldehyde noun Chemistry A white crystalline solid, obtained by the evaporation of an aqueous solution of formaldehyde (methanal), which is a polymer of formaldehyde and is used as a disinfectant, fumigant, and bactericide, and as an intermediate in chemical synthesis; polyoxymethylene, (HCHO)ₙ. Origin Late 19th century; earliest use found in Journal of the Chemical Society. From para- + formaldehyde.
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