
1) Natural resin
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https://www.crosswordclues.com/clue/succinic

of, pertaining to or derived from amber
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http://phrontistery.info/s.html

• (a.) Pertaining to, or derived from, amber; specif., designating a dibasic acid, C/H/.(CO/H)/, first obtained by the dry distillation of amber. It is found in a number of plants, as in lettuce and wormwood, and is also produced artificially as a white crystalline substance having a slightly acid taste.
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http://thinkexist.com/dictionary/meaning/succinic/

<chemistry> Pertaining to, or derived from, amber; specif, designating a dibasic acid, CH.(COH), first obtained by the dry distillation of amber. It is found in a number of plants, as in lettuce and wormwood, and is also produced artificially as a white crystalline substance having a slightly acid taste. ... Origin: Cf. F. Succinique. See Suc...
Found on
http://www.encyclo.co.uk/local/20973
Suc·cin'ic adjective [ Confer French
succinique . See
Succinate .]
(Chemistry) Pertaining to, or derived from, amber; specif., designating a dibasic acid, C...H....(CO...H)..., first obtained by the dry distillation of amber. It is found in a number of plants, as in lettuce and worm...
Found on
http://www.encyclo.co.uk/webster/S/231

[
adj] - of or relating to or obtained from amber
Found on
http://www.webdictionary.co.uk/definition.php?query=succinic
adjective of or relating to or obtained from amber
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https://www.encyclo.co.uk/local/20974

pertaining to or obtained from amber. · of or derived from succinic acid.
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https://www.infoplease.com/dictionary/succinic
No exact match found.