"Spectrum" refers to a range of different things, often colors or wavelengths, while "spectra" is its plural form, indicating multiple ranges or sets.
2.a broad range of varied but related ideas, objects, etc., that form a continuous series or sequence:the spectrum of political beliefs. [1605–15; < Latin: appearance, form <spec(ere)to look, regard] Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyr...
Plural spectra (spĕk′trə) or spectrums 1. An arrangement of electromagnetic radiation by frequency and wavelength. As a whole, the electromagnetic spectrum ranges from radio waves to gamma rays. The visible spectrum is a band of colors seen when white light is broken up according to wa...
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This invention, the biological structure or the object which is located plural various interest cubic measures (110 and 112) in (114 and 116) brings the spectrum system for non invasion characteristic spectrum analysis. As for the spectrum system of this invention, spectroscopic analysis expedient ...
Authors should ensure that writing is free from bias, stereotypes, slang, reference to dominant culture and/or cultural assumptions. We advise to seek gender neutrality by using plural nouns ("clinicians, patients/clients") as default/wherever possible to avoid using "he, she," or "he/she."...
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