Synonyms|0Antonyms|0|Broader|2Narrower|54Related|790

47 entries under expression topic. ×

3
human immunodeficiency virus infection vaccine(noun, entity, concept, proposition)
3
hypothetical spacecraft(noun, entity, concept, proposition)
3
inferential programming(noun, entity, concept, proposition)
3
interstellar travel(noun, entity, concept, proposition)
3
isotropic beacon(noun, entity, concept, proposition)
3
launch loop(noun, entity, concept, proposition)
3
malaria vaccine(noun, entity, concept, proposition)
3
matrioshka brain(noun, entity, concept, proposition)
3
mind control(noun, entity, concept, proposition)
3
mind uploading(noun, entity, concept, proposition)
3
nano electrokinetic thruster(noun, entity, concept, proposition)
3
non-rocket spacelaunch(noun, entity, concept, proposition)
3
orbital ring(noun, entity, concept, proposition)
3
phased-array optics(noun, entity, concept, proposition)
3
quantum vacuum thruster(noun, entity, concept, proposition)
3
radio frequency resonant cavity thruster(noun, entity, concept, proposition)
3
reactionless drive(noun, entity, concept, proposition)
3
rocket sled launch(noun, entity, concept, proposition)
3
room-temperature superconductor(noun, entity, concept, proposition)
3
space fountain(noun, entity, concept, proposition)
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APASmart Define. (1970). hypothetical technology thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hypothetical_technology/thesaurus/narrower
ChicagoSmart Define. 1970. "hypothetical technology thesaurus" https://smartdefine.org/hypothetical_technology/thesaurus/narrower (accessed September 23, 2026).
HarvardSmart Define 1970, hypothetical technology thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hypothetical_technology/thesaurus/narrower>.
MLASmart Define. "hypothetical technology thesaurus" 1 January 1970. Web. 23 September 2026. <https://smartdefine.org/hypothetical_technology/thesaurus/narrower>