What is the definition of Heteractinal? | Dictionary.net

HETERACTINAL

\hˈɛtəɹˌaktɪnə͡l], \hˈɛtəɹˌaktɪnə‍l], \h_ˈɛ_t_ə_ɹ_ˌa_k_t_ɪ_n_əl]\

Definitions of HETERACTINAL

1920 - A dictionary of scientific terms.
1920 - A dictionary of scientific terms (6th edition)

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Nail-like spicules, having a disc of six to eight rays in one plane, and a stout ray rising at right angles to these.

1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.

[Greek] Pert. nail-like spicules having disc of six to eight rays in one plane, and a stout ray at right angles to these.

1920 - A dictionary of scientific terms (6th edition)
By J.H. Kenneth

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