English dictionary
Hint: Wildcards can be used multiple times in a query.
English noun: A | |||
| 1. | A (quantity) a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation | ||
| Synonyms | angstrom, angstrom unit | ||
| Broader (hypernym) | metric linear unit | ||
| Part holonym | micromicron, picometer, picometre | ||
| Part meronym | micromillimeter, micromillimetre, millimicron, nanometer, nanometre, nm | ||
| 2. | A (substance) any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes | ||
| Synonyms | antiophthalmic factor, axerophthol, vitamin A | ||
| Broader (hypernym) | fat-soluble vitamin | ||
| Narrower (hyponym) | dehydroretinol, retinol, vitamin A1, vitamin A2 | ||
| 3. | A (substance) one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) | ||
| Synonyms | deoxyadenosine monophosphate | ||
| Broader (hypernym) | base, nucleotide | ||
| 4. | A (substance) (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA | ||
| Synonyms | adenine | ||
| Broader (hypernym) | purine | ||
| Substance meronym | deoxyribonucleic acid, desoxyribonucleic acid, DNA, ribonucleic acid, RNA | ||
| Domain category | biochemistry | ||
| 5. | A (quantity) the basic unit of electric current adopted under the Systeme International d'Unites | ||
| Samples | A typical household circuit carries 15 to 50 amps. | ||
| Synonyms | amp, ampere | ||
| Broader (hypernym) | current unit | ||
| Part holonym | mA, milliampere | ||
| Part meronym | abamp, abampere | ||
| 6. | A (communication) the 1st letter of the Roman alphabet | ||
| Broader (hypernym) | alphabetic character, letter, letter of the alphabet | ||
| Member meronym | Latin alphabet, Roman alphabet | ||
| 7. | A (body) the blood group whose red cells carry the A antigen | ||
| Synonyms | group A, type A | ||
| Broader (hypernym) | blood group, blood type | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk