As nouns the difference between ethnobotany and ethnobotanist

is that ethnobotany is (botany|sociology) the scientific study of the relationships between people and plants while ethnobotanist is a scholar or researcher in the field of ethnobotany.

In chemistry|lang=en terms the difference between radical and oxyradical

is that radical is (chemistry) a group of atoms, joined by covalent bonds, that take part in reactions as a single unit while oxyradical is (chemistry) any of a group of radicals containing reactive oxygen atoms.

As nouns the difference between radical and oxyradical

is that radical is a member of the most progressive wing of the liberal party; someone favouring social reform (but generally stopping short of socialism) while oxyradical is (chemistry) any of a group of radicals containing reactive oxygen atoms.

As an adjective radical

is favoring fundamental change, or change at the root cause of a matter.

As nouns the difference between oxygen and oxyradical

is that oxygen is a chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994 while oxyradical is any of a group of radicals containing reactive oxygen atoms.

As nouns the difference between prophase and pachytene

is that prophase is the first stage of mitosis, during which chromatin condenses to form the chromosomes while pachytene is the third prophase of meiosis, during which the chromosomes shorten and divide into four chromatids.

As nouns the difference between meiosis and pachytene

is that meiosis is (countable|rhetoric) a figure of speech whereby something is made to seem smaller or less important than it actually is while pachytene is (biology) the third prophase of meiosis, during which the chromosomes shorten and divide into four chromatids.

As a noun extension

is tract (an area).

As an adverb extensionally is

in terms or by means of extension.

Extensionally is a antonym of intensionally.

As adverbs the difference between intensionally and extensionally

is that intensionally is with respect to intension while extensionally is in terms or by means of extension.

As adjectives the difference between compound and ferryl

is that compound is composed of elements; not simple while ferryl is (inorganic chemistry) describing compounds of iron in which it has a valence or oxidation number of 4.

As a noun compound

is an enclosure within which workers, prisoners, or soldiers are confined or compound can be anything made by combining several things.

As a verb compound

is to form (a resulting mixture) by combining different elements, ingredients, or parts.

As a noun valence

is an extract; a preparation, now especially one effective against a certain number of strains of a pathogen.

As an adjective ferryl is

describing compounds of iron in which it has a valence or oxidation number of 4.

Expressivism is a related term of expressivist.

As nouns the difference between expressivist and expressivism

is that expressivist is an advocate of expressivism while expressivism is the doctrine that moral statements such as "this is wrong" express a moral evaluation rather than a statement of fact.

As an adjective expressivist

is pertaining to or advocating expressivism, the doctrine that the primary function of moral sentences and sensation sentences (like "I am in pain") is to express an evaluative attitude, rather than stating a fact.