• Webster's Revised Unabridged Dictionary
    • a Pinic (Chem) Of or pertaining to the pine; obtained from the pine; formerly, designating an acid which is the chief constituent of common resin, -- now called abietic, or sylvic acid.
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Century Dictionary and Cyclopedia
    • pinic Pertaining to or derived from the pine-tree; noting one of the acids found in resin: as, pinic acid.
    • ***
Chambers's Twentieth Century Dictionary
    • adjs Pinic pertaining to, or obtained from, the pine: noting an acid consisting of the portion of common resin soluble in cold alcohol
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Webster's Revised Unabridged Dictionary
L. pinus, pine
Chambers's Twentieth Century Dictionary
A.S. pín,—L. pīnus (for pic-nus),—pix, picis, pitch.


In literature:

Helien which is perhaps the highest pinical in America from their base it bears N. 25 deg.
"The Journals of Lewis and Clark" by Meriwether Lewis and William Clark
The constituents of rosin are chiefly (80-90%) abietic acid or its anhydride together with pinic and sylvic acids.
"Soap-Making Manual" by E. G. Thomssen

In news:

Before summer ends, go have a pinic — without the fuss.