Meaning of HYDROCOLLOID in English

HYDROCOLLOID

| ̷ ̷ ̷ ̷ at hydro- + noun

Etymology: hydr- + colloid

: any of several substances that yield gels with water (as alginic acid salts, agar, carrageenin, and related polysaccharide gums) and that are used especially as protective colloids and as impression materials in dentistry

• hy·dro·colloidal “+ adjective

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.