Atoms of the same element that have different masses are called isotopes. Different masses result when there are different numbers of neutrons. All atoms of a particular element have the same number...
Definition of absent. 1 : not present at a usual or expected place : missing was absent from class today sharing memories of absent friends She was conspicously absent [=her absence was very noticeable] at the meeting. absently. adverb He replied absently to her question. Examples of absent in a sentence.
Absentee Bid - A bid on a specific lot left in advance of the auction with someone by a bidder who will not attend. Absolute Auction - See auction without reserve.. Appraisal - the act or process of estimating value. As Is - The first two words taught to new students in auction school.