[pol-ee-am-ahyd, -id] /ˌpɒl iˈæm aɪd, -ɪd/
a polymer in which the monomer units are linked together by the group –CONH–.
any one of a class of synthetic polymeric materials containing recurring -CONH- groups See also nylon
A polymer produced by the reaction of the amino group (NH2) from one molecule with the carboxylic acid group (CO2H) from another molecule. The resulting structure is similar to that of a protein. Silk is a naturally occurring polyamide, and nylon is a synthetic polyamide.
[pol-ee-al-fuh-bet-ik, pol-ee-] /ˈpɒl iˌæl fəˈbɛt ɪk, ˌpɒl i-/ noun, Cryptography. 1. a system of substitution that mixes together a number of cipher alphabets in a cryptogram so that each plaintext letter is represented by a cipher that repeatedly changes.
[pol-ee-uh-meen, -am-in] /ˌpɒl i əˈmin, -ˈæm ɪn/ noun, Chemistry. 1. a compound containing more than one amino group. polyamine pol·y·a·mine (pŏl’ē-ə-mēn’, -ām’ēn) n. Any of a group of organic compounds that contain two or more amino groups.
[pol-ee-am-er-ee] /ˌpɒl iˈæm ər i/ noun 1. the practice or condition of participating simultaneously in more than one serious romantic or sexual relationship. adjective pertaining to partipation in multiple and simultaneous loving or sexual relationships adj. by 1972, from poly- + amorous. Related: Polyamory.
[pol-ee-am-er-ee] /ˌpɒl iˈæm ər i/ noun 1. the practice or condition of participating simultaneously in more than one serious romantic or sexual relationship. noun participation in multiple and simultaneous loving or sexual relationships