(Organic chemistry) formaldehyde; a colorless, pungent, toxic gas used in manufacturing resins, plastics, and dyes, or as a disinfectant in aqueous solution

(bound form) acetaldehyde; ethanal; a colorless, flammable organic compound with a pungent odor that occurs naturally in coffee and ripe fruit

a high-performance engineering plastic; polyformaldehyde (CH2O)n

phenolic aldehyde or phenolic resin, used to manufacture bakelite; also used for materials like plywood and molded plastics

an organic compound used in industrial processes such as the manufacture of plastics and as a solvent

aldose; a simple sugar containing an aldehyde group

the simplest aromatic aldehyde with the chemical formula C6H5CHO

(chemistry) aldehyde group -COH

A chemical compound used as a fragrance and flavoring, often extracted from vanilla beans or produced synthetically; also called [[香兰素|香蘭素|xiang1 lan2 su4]].

(chemical) acrolein; CH2CHCHO

glyceraldehyde; a simple sugar that is a key intermediate in metabolism

butyraldehyde; butanal

propionaldehyde; propanal

chloral; trichloroacetaldehyde, a colorless oily liquid used in the production of DDT and as a sedative

a specialized microbody or organelle in plants and fungi that contains enzymes for the glyoxylate cycle

(bound form) chloral, also known as trichloroethanal; an oily liquid used in chemical manufacturing and as a sedative

anionic glycosaminoglycan found in connective tissue, skin, and joints; used as a lubricant and hydrating substance in skincare, cosmetics, and medical procedures

formaldehyde; a colorless, pungent, and toxic gas used in manufacturing resins, plastics, and dyes. Also known as [[甲醛|甲醛|jia3 quan2]].

phenolic resin; a type of synthetic resin used to manufacture bakelite

(chemistry) aldehyde; a class of organic compounds containing a formyl group