Unnumbered source etymology
Original entry ↗noun
Selected source glosses provide context, not a complete modern definition inventoryAn unstable elementary particle which is a type of lepton, having a mass almost twice that of a proton, a negative charge, and a spin of ½; it decays into hadrons (usually pions) or other leptons, and neutrinos.
From tau + -on, named after the Greek letter ταῦ (taû), the initial letter of Ancient Greek τρίτος (trítos, “third”), being the third lepton discovered.
Relationships mentioned by the source
These are extracted mentions, not a timeline or a verified sequence of immediate parents.
- Derivation mentionτρίτοςgrc
Inspect preserved source fields
Raw extraction fields are retained for auditing. Their order does not establish ancestry.
{
"templates": [
{
"name": "suffix",
"args": {
"1": "en",
"2": "tau",
"3": "on"
},
"expansion": "tau + -on"
},
{
"name": "der",
"args": {
"1": "en",
"2": "grc",
"3": "τρίτος",
"4": "",
"5": "third"
},
"expansion": "Ancient Greek τρίτος (trítos, “third”)"
}
],
"links": [
[
"tau",
"tau#English"
],
[
"-on",
"-on#English"
],
[
"ταῦ",
"ταῦ#Ancient_Greek"
],
[
"τρίτος",
"τρίτος#Ancient_Greek"
],
[
"lepton",
"lepton"
]
],
"references": [],
"descendants": [],
"lexical": [
{
"pos": "noun",
"glosses": [
"An unstable elementary particle which is a type of lepton, having a mass almost twice that of a proton, a negative charge, and a spin of ½; it decays into hadrons (usually pions) or other leptons, and neutrinos."
],
"tags": [],
"recordId": "9159809bdb24d13fbd2016aded7ecee9ea1aa4dff47d38ba1f1d637d2bbbc4f1",
"rawRecordSha256": "43b6c1275d4573dbe0a0fe1f5c627482b5ce21ebd2024eba61f89d8367fbb344",
"sourceRecordOrdinal": 362782
}
],
"omittedAuxiliaryFields": {
"templates": 0,
"links": 0,
"references": 0,
"descendants": 0,
"lexicalRecords": 0,
"lexicalSenses": 0,
"glosses": 0
}
}