Page 41 - ICC Science Dictionary (spreads)

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

meristem A region in plant shoots and roots B1a, B1b mimicry The ability of some organisms B3
in which cells are dividing, and so to copy the appearance or
are undergoing mitosis. behaviour of others.
metabolism All the chemical reactions in the B2, B4 minerals Naturally occurring, inorganic B2, B3, B4,
cells of an organism, including chemical substances. Minerals C10
respiration. are necessary for both plant and
metal Shiny element that is a good C1, C2, C4, animal health.
conductor of electricity and heat, C7, C10 mining When natural resources are C10
and which forms basic oxides. extracted from the ground.
metallic Bonding in metal elements C2 miscarriage The spontaneous or unplanned B2
bonding consisting of a giant structure of death of a foetus in the womb.
metal atoms and their delocalised mitochondria Structures in the cytoplasm of all TB1, TB5, B1a,
electrons moving between them. cells where aerobic respiration takes B1b, B4

metamorphic A type of rock formed under TC5, B7a, B7b place (singular is mitochondrion).
intense heat or pressure over long mitosis A type of cell division which B1a, B1b, B6
periods of time. produces daughter cells identical

methane A colourless gas that can do harm C9 to the parent.
to life forms. mixture Two or more elements which are TC1, TC2, C1,

micro Microscopic living things such B3 not chemically joined together. C2, C7, C8,
organisms as archaea, bacteria and some C10
species of eukaryotes. mobile phase Phase in chromatography that C1, C8
microbe Microscopically small organism, C10 moves, usually a solvent or mixture
such as a bacterium or single- of solvents.
celled fungus. Also called a mode The mode is the item which occurs B7a, B7b
microorganism. most often.
micrograph A photograph taken of a B1a, B1b model An equation, diagram or analogy C1
microscopical image. that helps explain a scientific idea.
microphone Turns the pressure wave of sound TP2 molar volume The volume occupied by one mole C3
hitting it into an electrical signal. of any gas (24 dm³ or 24000 cm³ at
microvilli Projections from the surface of an B2 room temperature and pressure).
epithelial cell of the small intestine
wall.