单词	hydrocolloid
释义	hydrocolloid /ˌhʌɪdrə(ʊ)ˈkɒlɔɪd / noun A substance which forms a gel in the presence of water, examples of which are used in surgical dressings and in various industrial applications: [as modifier]: hydrocolloid dressings... Treatment with moisture-retentive dressings consisted of either a hydrocolloid, an alginate, or sterile gauze. Silver dressings are available as foams, hydrocolloids, barrier layers, and charcoal cloth dressings. This absorptive layer is made of material other than an alginate, foam, hydrocolloid, or hydrogel.
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