[ al'dʒɪnɪk ]
■ noun Chemistry an insoluble gelatinous carbohydrate found in many brown seaweeds, chiefly as salts which are used as thickening agents.
Origin
C19: alginic from alga + -in 1 + -ic .
ALGINIC ACID
Meaning of ALGINIC ACID in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004