OP has various meanings in the Architectural category. Discover the full forms, definitions, and usage contexts of OP in Architectural.
Descriptive of a material or substance which will not transmit light. Opposite of transparent. Materials which are neither opaque nor transparent are sometimes described as semi-opaque, but are more properly classified as translucent.
ArchitecturalThe period at the beginning of the trading session officially designated by the exchange during which all transactions are considered made "at the opening". Related: Close, the Opening price The range of prices at which the first bids and offers were made or first transactions were completed.
ArchitecturalSituated on the other or further side when seen from a specified or implicit viewpoint; facing. Completely different; of a contrary kind.
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