| trace |
follow, discover, or ascertain the course of development of something; "We must follow closely the economic development is Cuba" ; "trace the student's progress" make a mark or lines on a surface; "draw a line"; "trace the outline of a figure in the sand" a just detectable amount; "he speaks French with a trace of an accent" to go back over again; "we retraced the route we took last summer"; "trace your path" an indication that something has been present; "there wasn't a trace of evidence for the claim"; "a tincture of condescension" hound: pursue or chase relentlessly; "The hunters traced the deer into the woods"; "the detectives hounded the suspect until they found the him" touch: a suggestion of some quality; "there was a touch of sarcasm in his tone"; "he detected a ghost of a smile on her face" discover traces of; "She traced the circumstances of her birth" tracing: a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image make one's course or travel along a path; travel or pass over, around, or along; "The children traced along the edge of the dark forest"; "The women traced the pasture" either of two lines that connect a horse's harness to a wagon or other vehicle or to a whiffletree copy by following the lines of the original drawing on a transparent sheet placed upon it; make a tracing of; "trace a design"; "trace a pattern" a visible mark (as a footprint) left by the passage of person or animal or vehicle decipher: read with difficulty; "Can you decipher this letter?"; "The archeologist traced the hieroglyphs"
출처: wordnet.princeton.edu/perl/webwn
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| trace element |
an element that occurs at very small quantities in the body but is nonetheless important for many biological processes
출처: wordnet.princeton.edu/perl/webwn
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| tracer |
an investigator who is employed to find missing persons or missing goods an instrument used to make tracings (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes ammunition whose flight can be observed by a trail of smoke
출처: wordnet.princeton.edu/perl/webwn
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| trace element |
Microminerals (also known as trace elements) are micronutrients that are chemical elements. They include at least iron, cobalt, chromium, copper, iodine, manganese, selenium, zinc, and molybdenum. They are dietary minerals needed by the human body in very small quantities (generally less than 100mg/day) as opposed to macrominerals which are required in larger quantities. ...
출처: en.wikipedia.org/wiki/Trace_element
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| trace element |
A chemical found in very small amounts in a given substance. Organisms need certain trace elements to survive.
출처: www.stjude.org/glossary
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