Browse by letter
English Words Starting With S
15,552 entries — pick a word to see its definition, pronunciation, and usage.
Filter
Parts of speech
- spectacular/spekˈtæk.jə.lər/Visually striking, impressive, or dramatic in appearance or effect.adjectivenounB2
- spectate/ˈspɛk.teɪt/To watch an event, especially a sports event or show, as an audience member; to be an observer rather than a participant.verbverb-intransitiveC1
- spectator/spekˈteɪtə/A person who watches an event, show, game, or activity, typically without participating.nounB2
- spectator pump/spɛkˈteɪtə pʌmp/A woman's classic, low-heeled shoe, typically made of two contrasting colours of leather.nounLow
- spectator sport/spekˈteɪtə ˌspɔːt/A sport that is more commonly watched by an audience than actively participated in by the general public.nounC1
- spectator, the/spekˈteɪtə/A person who watches an event, show, game, or other activity.nounB2
- specter/ˈspek.tər/A ghost or other supernatural being that is seen or imagined, typically one that is frightening or disturbing.nounB2
- spectinomycin/ˌspektɪnəʊˈmaɪsɪn/A broad-spectrum aminoglycoside antibiotic used primarily in veterinary medicine and for certain human infections.nounVery low
- spector/ˈspektə(r)/A ghost or haunting spirit.nounMedium
- spectra/ˈspɛktrə/The plural of 'spectrum'; a range of related qualities, ideas, or activities.nounB2-C1
- spectra yellow/ˈspɛktrə ˈjɛləʊ/A term referring to a specific shade of yellow associated with the yellow portion of the visible light spectrum, often used in technical contexts such as optics or color naming.nounVery low
- spectral line/ˈspɛk.trəl laɪn/A dark or bright line in a spectrum caused by the emission or absorption of light at a specific wavelength by an atom, molecule, or ion.nounLow (specialised technical term)
- spectral luminous efficiency/ˈspɛktrəl ˈluːmɪnəs ɪˈfɪʃənsi/A function describing the sensitivity of the human eye to different wavelengths of light under specific lighting conditions.nounC2
- spectral series/ˈspɛktrəl ˈsɪəriːz/A sequence of related spectral lines in atomic or molecular spectra, corresponding to electron transitions between energy levels that share a common lower or upper state.nounC2
- spectral type/ˈspɛktrəl taɪp/A classification system for stars based on the characteristics of their light spectra, primarily temperature and chemical composition.nounVery Low
- spectre/ˈspɛktə/A ghost or phantom; an apparition.nounC1
- spectrin/ˈspɛktrɪn/A key structural protein found in the membrane skeleton of red blood cells, providing flexibility and strength.nounVery Low
- spectrobolometer/ˌspɛktrəʊbəˈlɒmɪtə/An instrument combining a spectroscope and a bolometer, used for measuring the intensity of radiation at different wavelengths.nounVery Low (Obscure Technical Term)
- spectrochemistry/ˌspɛk.trəʊˈkɛm.ɪ.stri/The branch of chemistry concerned with the interaction of electromagnetic radiation with matter to obtain information about its chemical composition and structure.nounVery low
- spectrocolorimetry/ˌspɛktrəʊˌkʌləˈrɪmətri/The measurement of colour using a spectroscope.nounVery low
Showing 9841–9860 of 15552 words.