tetraspore

American  

[te-truh-spawr, -spohr] / ˈtɛ trəˌspɔr, -ˌspoʊr /

noun

Botany.

1. one of the four asexual spores produced within a tetrasporangium.

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tetraspore British  

/ ˈtɛtrəˌspɔː, ˌtɛtrəˈspɔːrəs, tɪˈtræspərəs, ˌtɛtrəˈspɒrɪk /

noun

1. any of the asexual spores that are produced in groups of four in the sporangium ( tetrasporangium ) of any of the red algae

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Other Word Forms

• tetrasporic adjective
• tetrasporous adjective

Etymology

Origin of tetraspore

First recorded in 1855–60; tetra- + spore

Example Sentences

The plants are of three kinds, viz. ♂, bearing antheridia; ♀, bearing oogonia; and neuter, producing tetraspores.

From Project Gutenberg

Small plant of Chondrus crispus, or Carrageen Moss, reduced in size, in fruit; the spots represent the fructification, consisting of numerous tetraspores in bunches in the substance of the plant.

From Project Gutenberg

Changed "spois" to "spores" on page 23 of part 3, in the entry for tetraspore.

From Project Gutenberg

B, a piece of the same, × 50. t, tetraspores.

From Project Gutenberg

Various other spores formed in the same way are known as tetraspores, etc.

From Project Gutenberg