Alternative form of in-service

By means of insertion

Lacking inserts

(fandom slang) A character in a story who represents the author's own person. / (fandom slang) A character in a story who the reader/viewer is meant to identify with.

To insert oneself. / To insert something into one's own body. / (fandom slang) To insert one's own person into a story as a character.

(mathematics) The insertion step of the Schensted algorithm.

plural of Schensted insertion

An item inserted in a bra to make a breast appear larger.

plural of insertant

(biochemistry) A receptor that is inserted into an enzyme / (genetics) A mutation that is inserted into a gene