Heteroallele is a related term of allele.

In genetics terms the difference between allele and heteroallele

is that allele is one of a number of alternative forms of the same gene occupying a given position on a chromosome while heteroallele is either of several alternative forms of a gene that differ at different mutation sites.

As nouns the difference between metabolite and hydroxytamoxifen

is that metabolite is metabolite while hydroxytamoxifen is (biochemistry) a metabolite of tamoxifen; it is being considered as a therapy for breast cancer.

As nouns the difference between tamoxifen and hydroxytamoxifen

is that tamoxifen is a nonsteroidal estrogen antagonist used in the treatment of advanced breast cancer while hydroxytamoxifen is (biochemistry) a metabolite of tamoxifen; it is being considered as a therapy for breast cancer.

As nouns the difference between antibiotic and hygromycin

is that antibiotic is antibiotic while hygromycin is (medicine) a broad-spectrum antibiotic obtained from a strain of streptomyces hygroscopicus .

As an adjective antibiotic

is antibiotic.

As an adjective hyperreactive

is showing a much greater than normal response to a stimulus.

As a noun hyperreactivity is

(uncountable) the condition of being hyperreactive.

As a noun response

is (senseid)an answer or reply, or something in the nature of an answer or reply.

As an adjective hyperreactive is

showing a much greater than normal response to a stimulus.

As a noun stimulus

is .

As an adjective hyperreactive is

showing a much greater than normal response to a stimulus.

Hygrograph is a see also of hygrothermal.

As a noun hygrograph

is any of several forms of automated hygrometer that record humidity.

As an adjective hygrothermal is

(physics) of or pertaining to both humidity and temperature.

Hygrometer is a see also of hygrothermal.

As a noun hygrometer

is hygrometer.

As an adjective hygrothermal is

(physics) of or pertaining to both humidity and temperature.

As nouns the difference between humidity and hygrothermograph

is that humidity is dampness, especially that of the air while hygrothermograph is (physics|meteorology) an instrument that measures, and records, both humidity and temperature.