explosive trace detection
ETD | a system for screening luggage in airports, an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives |
| trace | either of two lines that connect a horse's harness to a wagon or other vehicle or to a whiffletree |
| trace detector | a screening device for traces of explosives, used at airline terminals |
tracing
trace | a drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image |
olfactory property
smell
aroma
odor
odour
scent | any property detected by the olfactory system |
body odor
body odour
B.O. | malodorousness resulting from a failure to bathe |
smell odor
odour
olfactory sensation
olfactory perception | the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form, she loved the smell of roses |
engram
memory trace | a postulated biochemical change (presumably in neural tissue) that represents a memory |
| trace program | a utility program that exhibits the sequence and results of executing the instructions in another program |
trace
vestige
tincture
shadow | an indication that something has been present, there wasn't a trace of evidence for the claim, a tincture of condescension |
| trace | a visible mark (as a footprint) left by the passage of person or animal or vehicle |
| touch trace ghost | a suggestion of some quality, there was a touch of sarcasm in his tone, he detected a ghost of a smile on her face |
trace
hint suggestion | a just detectable amount, he speaks French with a trace of an accent |
| trace element | an element that occurs at very small quantities in the body but is nonetheless important for many biological processes |
decipher
trace | read with difficulty, Can you decipher this letter?, The archeologist traced the hieroglyphs |
trace
follow | follow, discover, or ascertain the course of development of something, We must follow closely the economic development is Cuba , trace the student's progress |
trace
draw line describe
delineate | make a mark or lines on a surface, draw a line, trace the outline of a figure in the sand |
| trace | 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 |
| trace | 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 |
hound
hunt
trace | pursue or chase relentlessly, The hunters traced the deer into the woods, the detectives hounded the suspect until they found him |
| trace retrace | to go back over again, we retraced the route we took last summer, trace your path |
| trace | discover traces of, She traced the circumstances of her birth |