noun \ˌhī-drə-ˈkä-ˌlid\

Definition of HYDROCOLLOID

:  a substance that yields a gel with water
hy·dro·col·loi·dal \-kə-ˈli-dəl, -kä-\ adjective

First Known Use of HYDROCOLLOID



noun \-ˈkäl-ˌid\   (Medical Dictionary)

Medical Definition of HYDROCOLLOID

: any of several substances that yield gels with water (as alginic acid salts, agar, carrageenan, and related polysaccharide gums) and that are used especially as protective colloids and as impression materials in dentistry
hy·dro·col·loi·dal \-kə-ˈlid-əl, -kä-\ adjective


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