(French phonology) In the French language, usage of the letter h at the start of a word which does not allow liaison with a preceding consonant or elision of a preceding schwa.

(medicine) A method of inducing abortion, during the first trimester of pregnancy, in which the embryo and placenta are drawn off through a narrow tube.

Setting aside materials for recycling that are not actually recycled by one's garbage collection service.

(medicine) Synonym of arthrocentesis

An alteration of the initial consonant of a word which occurs in certain Celtic languages under particular linguistic circumstances.

plural of aspirate mutation

plural of vacuum aspiration

fine-needle aspiration

(surgery) A diagnostic biopsy used to investigate lumps

plural of needle aspiration biopsy