Flanged railway wheel. A flange is an external or internal ridge, or rim (lip), for strength, as the flange of an iron beam such as an I-beam or a T-beam; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera; or for a flange of a rail car or tram wheel.
noun, plural subtleties. 1. the state or quality of being subtle. 2. delicacy or nicety of character or meaning. 3. acuteness or penetration of mind; delicacy of discrimination. 4. a fine-drawn distinction; refinement of reasoning: the subtleties of logic.
This article is about the term in social psychology. For the novel, see Propinquity (novel). In social psychology, propinquity (/prÉËpÉªÅkwáµ»tiË/; from Latin propinquitas, nearness) is one of the main factors leading to interpersonal attraction. It refers to the physical or psychological proximity between people. Propinquity can mean physical proximity, a kinship between people, or a similarity in nature between things (like-attracts-like).