A heterosexual person.
"The propulsion system on the satellite relies on several HETs to maintain its orbit efficiently."
heterozygote
Alternative form of heth (“Semitic letter”)
Abbreviation of Hall effect thruster.
In plain English: A type of rocket engine that uses electricity and gas to create thrust.
"The satellite adjusted its orbit using a small burst from its het."
simple past tense and past participle of heat
"The metal had het up quickly in the sun, making it impossible to touch without gloves."
In plain English: To make something hot.
"The sun het the rocks until they were scorching hot."
Heterosexual.
"The scientist noted that the plant was het for the purple flower trait, meaning it carried one dominant and one recessive allele."
Heated.
heterozygous
In plain English: Het (adj: heterozygous) Plain English Definition: Having two different versions of a gene for a specific trait.
"The plant was het for a recessive gene, showing no outward signs of its presence."
Het is a clipped form of the word heterosexual. It originally referred to being attracted to people of the opposite sex.