Compact frames (frames with sloping top tubes) start throwing these measurements off, at least as compared to traditional frames. Thus the concept of effective measurements (i.e what a measurement on a compact bike would equate to on a bike with a traditional frame) The top tube measurement is from the seat post to the head tube.
Acculturation A term which is generally defined as the exchange of cultural features (traditions, values, or religious beliefs comprising the way of life) which results when groups of individuals from different cultures come into continuous direct contact, resulting in an alteration in the cultural patterns of one or both groups.
accretion. n. 1) in real estate, the increase of the actual land on a stream, lake or sea by the action of water which deposits soil upon the shoreline. Accretion is Mother Nature's little gift to a landowner.