It can be, meaning rarely occurring, or present in small amounts, as in trace minerals. But it is also used as a noun (e.g. without a trace) and used differently as a verb (to trace meaning to follow, trail, pursue, or locate, or to draw by copying from an original).
The trace or record made by means of a thermograph.
According to Jacques Derrida's theory of the trace, every word contains a trace of other words or meanings, which suggests that language is not fixed and meaning is constantly deferred. This concept of the trace emphasizes the interconnectedness and complexity of language, where no word can have a singular, stable meaning.
Derrida believed that all human words (and even human thoughts) were only shadows or "traces" of their true meaning, and that their actual meaning could only be expressed compared to other thoughts and words, which he labeled as "différance".
2D-area 3D-Volume
swept volume
without volume
The weight that matter contains
"Trace elements" are elements which are present in a sample, but in relatively very small amounts. "Trace gasses" probably means gasses which are present in a sample, but in relatively very small amounts. the gases in earths atmosphere that take up less than 1% volume.
According to Jacques Derrida's theory of the trace, every word contains traces of other words, meanings, and contexts within it due to its reliance on language's inherent differences and references. This concept suggests that meaning is never fixed or singular, but is instead a web of interconnected references and significations.
A millilitre is a small measure of liquid or volume.
If you have a 70cl bottle of whisky which is "40% alcohol by volume" it contains 28cl of alcohol.