Spectra may refer to: The plural of spectrum, conditions or values that vary over a continuum, especially the colours of visible light Spectra (journal), of the Museum Computer Network (MCN) The plural of spectrum (topology), an object representing a generalized cohomology theory in algebraic topology Spectra (mathematical association), an association of LGBT mathematicians Spectra (Latreille 1802), an order of stick-insects, or Phasmatodea
== Companies and products == Kia Spectra, a car developed by Kia Motors from 2000 to the present. Motorola Spectra and Astro Spectra, models of two-way radio. Optare Spectra, a bus body built by Optare. Polaroid Spectra, a type of instant camera and instant film formerly produced by the Polaroid Corporation. RCA Spectra 70, the name for a series of mainframe computers made by RCA, and which were sold to Univac to become the Univac 90/60 series computer. Spectra, a brand of ultra-high-molecular-weight polyethylene fiber. Spectra Energy, an American company that was spun out of Duke Energy. SPECTRA helmet, a ballistic helmet made of Dyneema. Thales Spectra, an integrated defensive aids suite developed by Thales Group for the Dassault Rafale series of fighter aircraft. Spectra Group, a Bangladesh conglomerate. Spectra Experiences, a venue management company.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).