Dictionary![]() ![]() ring-po•rousPronunciation: (ring'pôr'us, -pōr'-), [key] —adj. Bot. having annual rings marked by a conspicuous band of large pores in wood formed in spring. Cf. diffuse-porous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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