allˈograft noun (immunology)

A graft from one individual to another of the same species

allˈograph noun

1. (Gr graphē writing) a writing made by one person on behalf of another
2. One of two or more symbols constituting a grapheme (linguistics)

allometˈric adjective

allomˈetry noun

(Gr metron measure) (the study of) the growth of a part of the body relative to that of other parts or of the whole body, in one organism or comparatively in a number of different organisms

allˈomorph /-mörf/ noun (Gr morphē form; linguistics)

One of two or more forms of the same morpheme

allomorphˈic adjective

allˈoparent noun (zoology)

An animal that exhibits parental behaviour towards a young animal other than its natural offspring

allopatˈric adjective (Gr patra fatherland; botany)

Of two species or populations not growing in the same area and therefore unable to breed because of distance or geographical barrier, opp to sympatric

allopˈatry noun

allˈophone /-fōn/ noun (Gr phōnē sound; linguistics)

One of two or more forms of the same phoneme

allophonic /-fonˈ/ adjective

allˈoplasm noun (obsolete)

Protoplasm differentiated to perform a special function

alloplasˈtic adjective

(Gr plastikos; see plastic) affected by or affecting external factors

allopurinol /-pūrˈin-ol/ noun

(purine and -ol²) a drug, C₅H₄N₄O, used in the treatment of gout, reducing the formation of uric acid

allˈosaur /-sör/ noun

(Gr sauros lizard) a member of the genus Allosaurˈus, large, lizard-hipped, carnivorous dinosaurs

allosteric /-sterˈ or -stērˈ/ adjective (biology; see steric)

Relating to proteins, particularly enzymes, which change their three-dimensional shape on binding with a smaller molecule which is not a substrate, often leading to altered activity

allosˈtery noun

allˈotheism noun

(Gr theos god) the worship of other gods or other people's gods

allotrope /alˈə-trōp/ noun

(Gr tropos turn, habit) an allotropic form

allotropˈic adjective

(of a chemical element) existing in more than one form

allotˈropism noun

allotˈropous adjective

1. Having nectar accessible to all kinds of insects (botany)
2. Of insects, eg those that visit allotropous flowers, short-tongued

allotˈropy noun

The property (esp in chemical elements such as carbon) of existing in more than one form

homo- /hom-ō-, hom-ə-, hə-mo- or hō-/

combining form

Denoting the same

homoblastˈic adjective (Gr blastos a germ; zoology)

1. Derived from similar cells
2. Showing direct embryonic development

homˈoblasty noun

homocentric /-senˈtrik/ adjective

1. (Gr homokentros, from kentron centre, point) concentric
2. Proceeding from or diverging to the same point
3. (of rays) either parallel or passing through one focus (physics)

homocercal /-sûrˈkəl/ adjective

(Gr kerkos tail) (of fishes) having the upper and lower lobes of the tail-fin alike

homochlamydeous /-klə-midˈi-əs/ adjective (Gr chlamys, -ydos cloak; botany)

With calyx and corolla similar

homochromatˈic adjective

Monochromatic

homochromous /-krōˈməs/ adjective

1. (Gr chrōma colour) alike in colour
2. Of the same colour

homochromy /-okˈ or -krōmˈ/ noun

Protective coloration

homocyclic /-sīkˈlik/ adjective (Gr kyklos a ring; chem)

Having a closed chain of similar atoms

homocysteine /-sisˈtēn, -tin/ noun

An oxidized form of cysteine that occurs as a by-product of the metabolism of protein, thought to be an indicator of heart disease when present in high levels

homodont /homˈə-dont/ adjective

(Gr odous, odontos tooth) having teeth all alike

homodyne /homˈə-dīn/ adjective (Gr dynamis power; radio telephony)

Applied to the reception of waves strengthened by the imposition of a locally generated wave of the same length

homoerotˈicism or homoerotˈism noun

Orientation of the libido towards someone of the same sex

homoerotˈic adjective

homogametˈic adjective

homogamic /-gamˈik/ or homogamous /hom-ogˈə-məs/ adjective

homogamy /hom-ogˈə-mi/ noun

1. (Gr gamos marriage) breeding of like with like
2. Inbreeding
3. The condition of having all the flowers of an inflorescence sexually alike (botany)
4. Simultaneous ripening of stamens and stigmas (botany)

homogenate /-ojˈə-nāt/ noun

A substance produced by homogenizing (see homogenize below)

homogeneity /hom-ō-ji-nēˈi-ti/ noun

The state or fact of being homogeneous

homogeneous /hom-ō-jēnˈi-əs, also hōm- or -jenˈ/ adjective

1. (Gr homogenēs, from genos kind) of the same kind or nature
2. Having the constituent elements similar throughout
3. Of the same degree or dimensions in every term (mathematics)
4. (of radiation) of constant wavelength or constant quantum energy

homogēˈneousness noun

homogenesis /-jenˈi-sis/ noun (Gr genesis birth; biology)

A mode of reproduction in which the offspring is like the parent, and passes through the same cycle of existence

homogenetˈic or homogenetˈical adjective

Homogenous

homogenizaˈtion or homogenisaˈtion noun

homogˈenize or homogˈenise (or /homˈo-jən-īz/) transitive verb

1. To make homogeneous
2. To make (milk) more digestible by breaking up fat globules, etc
3. To produce (milk) synthetically by mixing its constituents

homogˈenizer or homogˈeniser noun

homogenous /hom-ojˈən-əs/ adjective

Similar owing to common descent

homogˈeny noun

Similarity owing to common descent or origin

homograft /homˈō-gräft/ noun (medicine)

A graft of tissue from one individual to another of the same species (also allograft)

homograph /homˈə-gräf/ noun

(Gr graphein to write) a word of the same spelling as another, but of different meaning, pronunciation or origin

homolˈogate transitive verb

1. (LL homologāre, -ātum, from Gr homologeein to agree, from logos speech) to confirm
2. To approve
3. To consent to
4. To ratify

intransitive verb

To agree

homologāˈtion noun (Scots law)

Confirming and ratifying by subsequent act

homological /-lojˈ/ adjective

homologˈically adverb

homolˈogize or homolˈogise /-jīz/ transitive verb and intransitive verb

homologoumena or homologumena /hom-ol-o-gooˈmi-nə/ plural noun

(Gr homologoumena things granted, neuter pl of prp passive (contracted) of homologeein) the books of the New Testament whose authenticity was universally acknowledged in the early Church, opp to antilegomena

homologous /hom-olˈə-gəs/ adjective

1. Agreeing
2. Of the same essential nature, corresponding in relative position, general structure, and descent (medicine or biology)
3. (of chromosomes) pairing with each other during meiosis, so that one member of each pair is carried by every gamete
4. (of a series of organic compounds) with each successive member having one more of a chemical group in its molecule than the preceding member

homˈologue or (US) homˈolog /-ə-logˈ/ noun

Anything that is homologous to something else, such as a human arm, a whale's flipper and a bird's wing

homolˈogy /-ə-ji/ noun

1. (Gr homologos) the quality of being homologous
2. Affinity of structure and origin, apart from form or use

homˈomorph noun

(Gr morphē form) a thing having the same form as another

homomorphˈic or homomorphˈous adjective

1. Alike in form, esp if essentially different otherwise
2. Uniform

homomorphˈism noun

homomorphōˈsis noun

Regeneration of a lost part in the original form

homˈonym noun

1. (Gr homōnymos, from onyma name) a word having the same sound and perhaps the same spelling as another, but a different meaning and origin, sometimes extended to words having a different sound and the same spelling
2. A name rejected as already used for another genus or species (biology)
3. A namesake

homonymˈic adjective

Relating to homonyms

homonˈymous adjective

1. Having the same name
2. Having different significations and origins but the same sound
3. Ambiguous
4. Equivocal

homonˈymously adverb

homonˈymy noun

homonymˈity noun

homoousian or homousian /hom-ō-ooˈsi-ən, ho-mooˈ or -owˈ/ adjective

1. (Gr ousiā being) of the same essence
2. Believing God the Son to be of the same essence as God the Father

noun

A holder of such belief (according to the Nicene Creed)

homˈophile noun (rare)

A homosexual

homˈophobe /-fōb/ noun

(Gr phobos fear) a person with a strong antipathy to homosexuals

homophōˈbia noun

homophōˈbic adjective

homophone /homˈə-fōn/ noun

1. (Gr phōnē sound) a character representing the same sound as another
2. A word that is pronounced the same as another but is different in spelling and meaning

homophonic /-fonˈ/ adjective

1. Sounding alike, in unison
2. In the monodic style of music, in which one part or voice carries the melody and the others accompany it

homophonous /-ofˈ/ adjective

homophˈony noun

homophyly /-ofˈi-li/ noun (Gr phȳlon a race; biology)

Resemblance due to common ancestry

homˈoplasmy /-plaz-mi/ or homopˈlasy noun

The quality or fact of being homoplastic

homoplastˈic adjective (Gr plastikos plastic, plasma a mould; biology)

Similar in structure and development but not descended from a recent common source

homopōˈlar adjective (chem)

Having an equal distribution of charge, as in a covalent bond

homopolarˈity noun

homopolˈymer noun

A DNA or RNA strand whose nucleotides are all of the same kind

Homoptera /-opˈ/ plural noun

(Gr pteron a wing) an order of insects (or suborder of Hemiptera) having wings of a uniform texture, eg cicadas, frog-hoppers, greenfly, scale insects, etc

homopˈterous adjective

Homorelaps noun see under Elaps

homosexˈūal adjective

Having or relating to sexual attraction to members of one's own sex

noun

A person sexually attracted only to others of the same sex

homosexˈualism noun

homosexˈualist noun

homosexualˈity noun

homosporous /-osˈpor-əs, or -ō-spōˈrəs or -spöˈ/ adjective (Gr sporos seed; botany)

Having spores all of one kind

homotaxˈial or homotaxˈic adjective

homotaxˈis noun (Gr taxis arrangement; geology)

1. Coincidence in order of organic succession but not necessarily in time
2. Similarity in geological age, while not necessarily strict contemporaneity

homothallˈic adjective (botany)

Having only one type of mycelium, opp to heterothallic

homothallˈism or homˈothally noun

homothermˈal, homothermˈic or homothermˈous adjective

(Gr thermē heat) keeping the same temperature, warm-blooded

homotonic /-tonˈ/ or homotˈonous adjective

(Gr tonos tone) of the same tenor or tone

homotˈony noun

homotypal /-tīpˈl/ or homotypic /-tipˈik/ adjective

1. Conforming to normal type
2. (homotypic; biology) relating to the second (equational) division in meiosis (cf heterotypic under heter-)

homˈotype /-ō-tīp/ noun

(Gr typos type) that which has the same fundamental structure as something else

homotypy /homˈō-tī-pi or hom-otˈi-pi/ noun

homousian noun see homoousian above

homozygōsˈis noun

1. The condition of having inherited a given genetic factor from both parents, so producing gametes of only one kind as regards that factor
2. Genetic stability as regards a given factor

homozyˈgote noun

A zygote that is formed as a result of homozygosis

homozygotˈic adjective

homozyˈgous adjective