a combining form meaning “living substance,” “organelle,” “cell,” used in the formation of compound words: chloroplast; chromoplast; protoplast.
Origin: combining form representing Greekplastós formed, molded, equivalent to plath-, base of plássein to form, mold + -tos verbal adjective suffix, with tht > st. See plastic
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
