quarter grain
noun
The grain shown in a piece of quarter-sawn timber where the growth rings appear as parallel lines and the medullary rays are visible on the face.
Origin
Early 18th century; earliest use found in Richard Neve (fl. 1703–1726).
| 单词 | quarter grain |
| 释义 | quarter grainnoun The grain shown in a piece of quarter-sawn timber where the growth rings appear as parallel lines and the medullary rays are visible on the face. Origin |
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