Meaning & use

spore

noun·Academicbiology

Last updated

UK/spɔː/
US/spɔːr/

Meanings

  1. nouncountablebiology

    A tiny cell, often with a hard coat, that some plants, fungi and bacteria release to reproduce.

    Grammar: Countable: one spore, many spores; often used in the plural in science writing.

    Patterns

    • release spores
    • spores are carried by the wind
    • a spore of a fungus

    Ferns release spores from the underside of their leaves.

    Mold spreads through the air as tiny spores.

    Each spore can grow into a new plant if it lands somewhere damp.

  2. nouncountablebiologytechnical

    A cell that some bacteria form when conditions are bad, allowing them to survive until things improve.

    Grammar: Countable; common in biology and medicine when talking about bacteria such as anthrax.

    Patterns

    • bacterial spores
    • form a spore
    • spores survive heat

    Some bacteria form spores that can survive boiling water.

    The spores stay inactive in the soil for years.

    Doctors tested the powder for bacterial spores.

Word forms

pluralspores

Common combinations

fungal spores
Fungal spores float in the air and can cause allergies.
release spores
The mushroom releases spores when it is fully grown.
spore-forming bacteria
Spore-forming bacteria are hard to kill with heat alone.
a cloud of spores
A cloud of spores rose from the disturbed soil.
spores germinate
The spores germinate quickly in warm, wet conditions.

Synonyms and how they differ

seed
Use 'seed' for the part of a flowering plant that grows into a new plant; 'spore' is the correct word for ferns, fungi and bacteria.
germ
'Germ' is a general everyday word for a disease-causing microbe, while 'spore' names a specific reproductive or survival cell.

Word family

sporulation noun
the process by which an organism produces spores
sporangium noun
the structure in which spores are produced
spore-bearing adjective
having or producing spores

Commonly confused: spore or spur? spore or spoor?

spore vs spur

'Spur' means a pointed object or something that encourages action, and sounds different: /spɜːr/ rather than /spɔːr/.

spore vs spoor

'Spoor' means the tracks or smell left by an animal; it looks similar but has a different meaning.

Practice

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