allo-

From Ancient Greek ἄλλος (állos, “other”), from Proto-Hellenic *áľľos, from Proto-Indo-European *h₂élyos (English else).

allo-

2. (biology, medicine) Nonself; nonself but of the same species. Used as an antonym to auto-.

   allogeneous is from a nonself donor of the same species, allorecognition is the ability of an individual organism to distinguish its own tissues from those of another, alloimmunity is immunity against cells from another organism

   2. (immunology) Alloimmunity; (biology, medicine, transplantation) transplantation of cells or tissues from one person to another.

      alloresponse is an alloimmune response, alloreaction is an immune response to an alloantigen, alloresponsive is that generates an alloresponse

   4. (chemistry, biology) An arbitrary member of a heterogenous-but-interrelated group.

      alloalbumin is any of a group of genetically-related albumins found in blood serum, allomorph is any of the different crystalline forms of a substance, alloidentical is being of the identical allotype

4. External, outside, or from a separate location.

   allonomous is controlled by an external stimulus, allochory is the passive dispersal of seeds by means of external agents, allogenic is having an external cause or source

   2. (genetics) Hybridization of multiple species.

      allohaploid is having a single set of unpaired chromosomes derived from two different species, allopolyploid is having multiple complete sets of chromosomes derived from different species, allohexaploid is having six complete sets of chromosomes derived from different species

6. (chemistry) Isomeric; especially, of amino acids having two chiral centres, the second diastereoisomer to be discovered or synthesized.

   allolactose is an isomer of the sugar lactose, allocholane is the isomer of cholane 5α-cholane, allobetulin is a naturally-occurring isomer of betulin

   1. (chemistry) a diastereomer having the same configuration on four neighboring chiral carbon atoms as carbohydrate allose.
8. Different, distinct, or other with respect to the root.

   allosome is a sex chromosome that differs from an ordinary autosome in form or size, allonym is a book published under the name of a person other than its true author, allocolonial is between members of different colonies

   2. (pathology) Abnormal, defective with respect to the root.

      allolalia is any speech disorder resulting from cerebral damage, allochromasia is a defect in colour vision, allorhythmia is an irregular pattern of the heartbeat

   4. Unconventional, unusual, or unexpected.

      allophone is a person whose mother tongue is one other than that spoken by the majority, alloparent is an adult animal or person involved in parent-like behaviour towards an individual that is not his or her offspring, allophane is an amorphous hydrous aluminium silicate clay mineral named for "having a deceptive reaction in the blowpipe flame in old mineralogical testing"^[1]

   6. Changed or modified.

      allohistorical is relating to alternate history as a genre, alloplasm is cytoplasm that has been modified to form cilia or flagella, allobar is an area where the atmospheric pressure changes

   8. (chemistry, pharmacology) Synthetic, artificial.

      alloprotein is a synthetic protein (especially one that contains an amino acid that is not found in nature), allopurinol is a synthetic drug which inhibits uric acid formation

10. Variety, heterogeneity.

    allopelagic is that lives at a variety of depths, allochronic is occurring in different geologic time periods, allocentric is of a tourist: tending to be adventurous and preferring novel and unfamiliar experiences

    2. (linguistics) Alternative, variant in form.

       allophony is variation in the phonetic realizations of a phoneme, allocher is any of two or more alternative hand signs for a chereme in a sign language, allograph is a variant form of a letter (or other grapheme)

    4. (chemistry, mineralogy) Impure in composition.

       allochromatic is having a colour that is due to the presence of impurities, allochromatic is having properties that are due to the presence of impurities or to radiation damage, allostratigraphy is the study and classification of rock strata by features causing as unconformities and discontinuities in the rock record

12. (ethology) Alloparenting: parenting behaviours between animals who are not parent and child.

    allosuck is to suckle from a female who is not one's own mother, allocare is care given to an infant by an animal that is not the infant's parent, allofather is a male alloparent

14. (LGBTQ) Not asexual; attracted to others.

    alloromantic is someone who experiences romantic attraction, alloerotic is having erotic desire of or attraction to another person of any sex, allonormativity is the assumption that all human beings are allosexual or alloromantic

• (different, other): hetero-

• auto-
• self-

• xeno-

• allele

• -alol, Lola, lalo, olla

allo-

1. allo-

• alo-

From Ancient Greek ἄλλος (állos).

• IPA^(key): /al.lɔ/
• Rhymes: -allɔ
• Syllabification:

allo-

1. allo-

   ‎allo- + ‎-graf → ‎allograf

• allo- in Polish dictionaries at PWN