† insertmentn.
Botany. Obsolete. rare.
That which is inserted or placed between; a former term for the medullary rays; = insertion n. 2.
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the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > pith or soft internal tissue > medullary ray(s)
insertment1671
ray1675
medullary ray1816
pith rayc1868
1671 N. Grew in Philos. Trans. (Royal Soc.) 6 3039 The Insertment and Pith, proceeding also from the Plume, as the same in the Root from the Radicle.
1672 N. Grew Anat. Veg. ii. 42 The next Part observable in the Root, is the Insertment... In dissecting a Root, we find, that the Cortical Body doth not only environ the Lignous, but is also wedg'd, and in many pieces inserted into it; and that the said inserted pieces make not a meer Indenture, but transmit and shoot themselves quite through as far as the Pith.
1814 Edinb. Rev. 22 257 They were named insertments..and constitute what is vulgarly termed the silver grain of the wood.
This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2019).
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n.1671