Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia.
an impression that is made in sections.
Etymology: L, sectio, a cutting + imprimere, to press into
a dental impression that is made in sections.
sec·tion·al im·pres·sion(sekshŭn-ăl im-preshŭn)
Negative likeness that is made in sections then reassembled to provide a full contour cast.