cold expression

cold expression,

n commonly used for citrus fruits, a method of extracting essential oils from their botanical source; either the whole fruit or the peel alone is crushed, and the oils are separated from the pulp by centrifugation. Cold-expressed oils typically have a short shelf life.
References in classic literature ?
May I at least ask," she went on, "if you know anything of persons--" She paused, discouraged by the cold expression of inquiry in the old man's eyes as he looked at her.
The eyes of his auditors involuntarily met; and, if the color that gathered over the face of Elizabeth was contradicted by the cold expression of her eye, the ambiguous smile that again played about the lips of the stranger seemed equally to deny the probability of his consenting to form one of this family group.
It was a cold expression, unfriendly, as if it was not so keen a pleasure to Claire to look at him as it should be for a girl to look at the man whom she is engaged to marry.
We do everything we can to lessen the effect of bad debt," he said, with the kind of cold expression actors use to play POW camp commandants.
According to Zenitech, lime oil is extracted from the peel of the unripe lime by cold expression.
Long before Malvo appeared to plead not guilty by reason of insanity, his cold expression had been identified with guilt, with evil, with all that was wrong with detached American youth.
An aromatic essence cannot be considered a true essential oil unless it has been produced through a process of either distillation or cold expression.
Instead, we hear the bold and cold expression of the nihilistic mindset: So what, if science shows that the child in the womb is a human being.