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English Words Starting With S

15,552 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

seine-st-denis
nounMedium
/ˌseɪn sæ̃ dəˈniː/A French administrative department (département) located in the Île-de-France region, immediately northeast of Paris.
seiner
nounC1+ (Specialized/Low Frequency)
/ˈseɪnə/A fisherman or a fishing vessel that uses a seine net (a large vertical net with floats and weights).
seise
verbverb-ambitransitiveVery Low
/siːz/To put someone in legal possession of property; to take possession of property by legal process.
seisin
nounVery Rare
/ˈsiːzɪn/Possession of a freehold estate in land; legal possession, especially of a feudal nature.
seising
nounVery Low
/ˈsiːzɪŋ/The legal act of taking possession of property, especially land, in a formal manner.
seism
nounRare / Technical
/ˈsʌɪz(ə)m/A shaking or vibration of the earth's crust; an earthquake.
seismic array
nounC2 (Very Low Frequency in general English, but High Frequency within geophysics, seismology, and nuclear monitoring contexts).
/ˈsaɪz.mɪk əˈreɪ/A systematic arrangement of multiple seismometers deployed across an area to detect and locate seismic events (earthquakes, explosions) by analyzing the precise differences in wave arrival times at each sensor.
seismic gap
nounC2
/ˈsaɪzmɪk ɡæp/A section of a fault that has not experienced a large earthquake in a long time, despite being located between segments that have.
seismic wave
nounLow-Medium
/ˈsaɪzmɪk weɪv/An elastic wave of energy, generated by an earthquake, explosion, or other violent disturbance, that travels through the Earth's layers or along its surface.
seismicity
nounLow (Technical)
/saɪzˈmɪs.ɪ.ti/The frequency, magnitude, and geographical distribution of earthquakes in a specific region over time.
seismism
nounVery low
/ˈsaɪzmɪzəm/The phenomenon of earthquakes or seismic activity.
seismogram
nounC2
/ˈsaɪzmə(ʊ)ɡram/A graph or record produced by a seismograph, showing ground motion over time, typically from an earthquake or explosion.
seismograph
nounC1
/ˈsaɪzməɡrɑːf/An instrument that detects, measures, and records vibrations within the earth, especially those caused by earthquakes.
seismography
nounLow
/saɪzˈmɒɡ.rə.fi/The scientific process or technique of recording and measuring the vibrations of the earth, especially those caused by earthquakes.
seismologist
nounC2 (Very Low Frequency)
/saɪzˈmɒlədʒɪst/A scientist who studies earthquakes and the waves they produce in the Earth.
seismology
nounC2
/ˌsaɪzˈmɒlədʒi/The scientific study of earthquakes and the propagation of elastic waves through the Earth or other planetary bodies.
seismometer
nounC2
/saɪzˈmɒm.ɪ.tər/An instrument that detects and measures ground motion, such as that caused by earthquakes, volcanic activity, or explosions.
seismonasty
nounVery Low (Technical/Scientific)
/ˈsaɪzmə(ʊ)ˌnæsti/A nastic movement (non-directional plant movement) in response to shock or vibration.
seismoscope
nounVery low
/ˈsaɪzməskəʊp/A device that indicates the occurrence of an earthquake without recording its details.
seitan
nounlow
/ˈseɪ.tæn/A high-protein food made from wheat gluten, used as a meat substitute in vegetarian and vegan cuisine.

Showing 3381–3400 of 15552 words.