重合体: polymer

(chemistry, organic chemistry) polymer

to make [something] / to cook / to write a literary work / to grow, to raise / to cultivate ability, to train / to draw up, form, establish / to make an acquaintance

作る: make - make a small thing, grow vegetables / 創る: create - originate, bring into existence / 造る: build, construct - build a house, or a building

plastic (a stiff but usually slightly flexible synthetic material)

五十: fifty, 50

(physics) rigid body

(idol fandom) division of a song's vocals between members

歌う: sing / 詠う: compose (a tanka, haiku, etc.) / 謳う: state, praise (for own good)

special / particular / specific