Don't just take my words for it.
Take those of the online Merriam-Webster Dictionary.
Abortion:
1) The termination of a pregnancy after, accompanied by, resulting in, or closely followed by the death of the embryo or fetus.
2) Monstrosity.
3) Arrest of development (as of a part or process) resulting in imperfection; also : a result of such arrest.
Abortionist:
Noun -- One who induces abortions.
Adjective -- Proabortion.
Abortion pill:
A drug taken orally to induce abortion especially early in pregnancy; especially RU-486.
(Hat tip, Jack Yoest.)