Dictionary
hydrocolloid
noun hy·dro·col·loid \ˌhī-drə-ˈkä-ˌlȯid\
Definition of HYDROCOLLOID
: a substance that yields a gel with water
— hy·dro·col·loi·dal \-kə-ˈlȯi-dəl, -kä-\ adjective
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First Known Use of HYDROCOLLOID
1916
Medical Dictionary
hydrocolloid
noun hy·dro·col·loid \-ˈkäl-ˌȯid\
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-ˈlȯid-əl, -kä-\ adjective
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