| INTROGRESSION | • introgression n. (Genetics) The movement of a gene from one species to another. • INTROGRESSION n. the modification of species by the backcrossing of the hybrids with the parent species. |
| INTROGRESSIONS | • introgressions n. Plural of introgression. • INTROGRESSION n. the modification of species by the backcrossing of the hybrids with the parent species. |
| PROGRESSION | • progression n. The act of moving from one thing to another. • progression n. The act of moving forward or proceeding in a course; motion onward. • progression n. (Mathematics) A sequence obtained by adding or multiplying each term by a constant. |
| PROGRESSIONAL | • progressional adj. Of or pertaining to progression; tending to, or capable of, progress. • PROGRESSIONAL adj. relating to progression. |
| PROGRESSIONALLY | • PROGRESSIONAL adv. relating to progression. |
| PROGRESSIONARY | • progressionary adj. Synonym of progressional. • PROGRESSIONARY adj. showing progression. |
| PROGRESSIONISM | • PROGRESSIONISM n. sympathy with or advocacy of progress; belief that social or other evolution is towards higher or better things. |
| PROGRESSIONISMS | • PROGRESSIONISM n. sympathy with or advocacy of progress; belief that social or other evolution is towards higher or better things. |
| PROGRESSIONIST | • progressionist n. An advocate of social progress, ideally towards perfection. • progressionist n. (Biology) A person who holds that all life forms gradually evolve to a higher form. • PROGRESSIONIST n. a supporter of progressionism. |
| PROGRESSIONISTS | • progressionists n. Plural of progressionist. • PROGRESSIONIST n. a supporter of progressionism. |
| PROGRESSIONS | • progressions n. Plural of progression. • PROGRESSION n. motion onward. |
| RETROGRESSION | • retrogression n. A deterioration or decline to a previous state. • retrogression n. (Biology) A return to a less complex condition. • RETROGRESSION n. the act of retrogressing. |
| RETROGRESSIONAL | • retrogressional adj. Relating to retrogression. • RETROGRESSIONAL adj. of or like retrogression. |
| RETROGRESSIONS | • retrogressions n. Plural of retrogression. • RETROGRESSION n. the act of retrogressing. |