Page 6 - ICC Science Dictionary (spreads)

Word Definition Topic(s) Word Definition Topic(s)

anion An atom or group of atoms that C8 anti-coagulant Substance that prevents blood B5
have gained electrons and drugs clotting.
become negatively charged. Most antifungal Drugs that treat fungal infections B3
anions are formed from non-metals. medication like athlete's foot.
anode The positive electrode during C4, C10 antigen A protein on the surface of a B3, B5
electrolysis. substance (often a pathogen)
anomaly These are values in a set of results Thinking that triggers an immune response.
which are judged not to be scientifically antimalarial Medicine that stops or treats a B3
part of the variation caused by drug malarial infection.
random uncertainty. For example,
on a graph, it’s a result which lies antiseptic A substance that kills or stops the B3
well off the line of best fit. growth of germs which cause
disease.
antagonistic Muscles working in unison to TB1
muscle pair create movement antivirals Drugs that prevent viruses B3
replicating.
antenatal Related to pregnancy. B6
aorta Main artery which carries B2
anther Produce male sex cells (pollen TB2 oxygenated blood from the heart
grains)/ in mammals.
antibacterial Naturally occurring chemicals B3 aphid Aphids (greenfly) are tiny insects B3
chemicals made by plants like mint and that feed on the sugary liquid in
witch hazel which protect them the phloem from plants.
from bacterial pathogens.
aquatic Within water. B1a, 1b, C10
antibiotic Substance that controls the B3, B6,
spread of bacteria in the body B7a,B7b aqueous Dissolved in water to form C2, C10
by killing them or stopping them a solution. Shown as (aq) in
reproducing. chemical equations.

antibiotic The ability of bacteria to survive B3 arable Growing crops. B7a, B7b
resistance exposure to antibiotics. It is caused farming
by mutations in their genes. archaea Microorganisms which are similar B1a, B1b
antibody A protein produced by the B2, B3 in size and structure to bacteria
immune system in humans (and but are genetically different.
other animals) that attacks foreign arteries Blood vessels that carry blood B2
organisms (antigens) that get into away from the heart.
the body.