guaiac


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guai·a·cum

 (gwī′ə-kəm)
n.
1. Any of several tropical American trees of the genus Guaiacum; a lignum vitae.
2. also guai·ac (gwī′ăk′)
a. The wood of a guaiacum.
b. A greenish-brown resin obtained from this tree, used medicinally and in varnishes.

[New Latin, from Spanish guayacán, from Taíno.]

guai•ac

(ˈgwaɪ æk)

n.
1. a greenish brown resin obtained from the guaiacum tree, esp. from Guaiacum officinale, used in varnishes, as a food preservative, and as a medical test for the presence of blood in excreted matter.
[1550–60; see guaiacum]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.guaiac - hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacumguaiac - hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum
Guaiacum officinale, lignum vitae - small evergreen tree of Caribbean and southern Central America to northern South America; a source of lignum vitae wood, hardest of commercial timbers, and a medicinal resin
wood - the hard fibrous lignified substance under the bark of trees
Translations
References in periodicals archive ?
Colorectal cancer screening strategies considered appropriate by the US Preventive Services Task Force (1) Test Recommended Frequency Stool-based Guaiac fecal occult blood test Annually FIT Annually FIT-fecal DNA stool test Annually or every 3 years Direct Visualization Colonoscopy Every 10 years Computed tomography colonography Every 5 years Flexible sigmoidoscopy Every 5 years Flexible sigmoidoscopy with FIT Flexible sigmoidoscopy every 10 years plus FIT annually Abbreviation: FIT, fecal immunochemical test.
Colorectal cancer screening strategies considered appropriate by the US Preventive Services Task Force1 Test Recommended Frequency Stool-based Guaiac fecal occult Annually blood test FIT Annually FIT-fecal DNA stool test Annually or every 3 years Direct Visualization Colonoscopy Every 10 years Computed tomography Every 5 years colonography Flexible sigmoidoscopy Every 5 years Flexible sigmoidoscopy Flexible sigmoidoscopy every 10 years plus with FIT FIT annually Abbreviation: FIT, fecal immunochemical test.
In the base note, a hint of cardamom mingles with sandalwood and guaiac, emphasising all the nobility of wood.
(Cue excited squealing.) The top notes feature ginger zest, clove buds and cardamom -- you can already smell the masala chai -- with a heart of violet, incense and mate, and a base of warm latte, guaiac wood and birch tree.
Featuring notes of cardamom and a Guaiac Wood base finish, this little sparkler promises to relieve anxiety just in time to celebrate the holidays.
A comparison of fecal immunochemical and high-sensitivity guaiac tests for colorectal cancer screening.
Gillian Libby, from Ninewells Hospital and Medical School in Dundee, U.K., and colleagues examined the correlation between f-Hb, as indicated by a positive guaiac fecal occult blood test (gFOBT) result, and different causes of death.
The abdomen was soft and nondistended, and feces was guaiac positive.
(4) Until recently, those programs predominantly used kits based on the guaiac reagent to detect the heme moiety of blood, relying on the inherent peroxidase activity of heme.
Despite the approach being largely opportunistic, screening with guaiac fecal occult blood test, fecal immunochemical test for hemoglobin, and colonoscopy was reported as highly endorsed in the USA (24,25).
The Bowel Cancer Screening Programme (BCSP) invites men and women aged 60-74, and registered with a general practice in England, to complete a guaiac faecal occult blood test (gFOBt) at home, every two years.
Van Ballegooijen et al., "Harms, benefits and costs of fecal immunochemical testing versus guaiac fecal occult blood testing for colorectal cancer screening," PLoS ONE, vol.