guaiac

American  

[gwahy-ak] / ˈgwaɪ æk /

noun

1. Also called gum guaiac.  Also called guaiacum gum.  a greenish-brown resin obtained from the guaiacum tree, especially from Guaiacum officinale, used in varnishes, as a food preservative, and in medicine in various tests for the presence of blood.

2. guaiacum.

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Etymology

Origin of guaiac

First recorded in 1550–60; guaiacum

Example Sentences

The latter includes guaiac tests and what some doctors call hemoccult.

From Forbes

The real magic is in the base, though: a resinous layering of oud, amber, myrrh, vanilla, guaiac, sandalwood and musk.

From Forbes

Take jalap, colchicum seeds, and gum guaiac, of each one dram.

From Project Gutenberg

The principal constituent of the oil is guaiac alcohol, or gusiol.

From Project Gutenberg

In Sasson’s view, Cologuard is far superior to hemoccult or stool guaiac tests, older methods in which patients or doctors apply small amounts of stool to a card before testing for hidden blood.

From Forbes