acēˈtaminophen (or /-minˈ/) noun

US name for paracetamol

acˈetate noun

1. An ester of acetic acid
2. Short form of acetate rayon an artificial fibre made from cellulose acetate
3. A (piece of) transparent film on which information, diagrams, etc may be written for display by overhead projector, etc (acetate film film of low flammability, whose photographic emulsion is coated on cellulose acetate (also called non-flam film, safety film))

acetic /-sētˈ or -setˈ/ adjective

Of, of the nature of or producing acetic acid, CH₃COOH (also known as ethanoic acid), or its diluted form, vinegar

acetificāˈtion /-set-/ noun

acetˈify transitive verb and intransitive verb

To turn into vinegar

acˈetone noun

1. The simplest of the ketones
2. Any ketone

acˈetose adjective

Acetous

acēˈtous adjective

1. Like or producing vinegar
2. Sour

acetyl /asˈi-til, -tīl or a-sēˈ/ noun

The radical (CH₃CO) of acetic acid (acetyl-salicylic acid aspirin)

acetylchōline /-kōˈlēn (also -koˈ, -līn or -lin)/ noun

A substance secreted at the ends of nerve fibres when they activate muscles

acetylchōlinesterase /-esˈtər-ās/ noun

An enzyme that breaks down acetylcholine, thought to be a factor in Alzheimer's disease

acetylene /-setˈ/ noun

A gas (C₂H₂), produced from calcium carbide and water, used in welding, synthesizing acetic acid, illumination, etc (also ethyne)

acetylenˈic /-lenˈ or -lēnˈ/ adjective