impactus
Latin
Pronunciation
- (Classical Latin) IPA(key): [ɪmˈpaːk.tʊs]
- (modern Italianate Ecclesiastical) IPA(key): [imˈpak.tus]
Etymology 1
Etymology tree
From impingō (“to strike against”) + -tus (abstract noun suffix).
Noun
impāctus m (genitive impāctūs); fourth declension (New Latin)
- illision, collision, hit
- 1752, Karl Scherffer, Institutionum physicae pars prima seu physica generalis, conscripta in usum suorum d.d. auditorum 213:
- Triplicis generis corpora discernere oportet, nempe perfectē dūra, quae nūllō impāctū figūram mūtant; perfectē elastica, quae ictū figūram mūtant, attamen eandem statim iterum assūmunt, velut sponte; perfectē mollia, quae figūram ictū mūtant, sed nōn amplius resūmunt ex propriā aliquā vī.[1]
- (please add an English translation of this quotation)
- Triplicis generis corpora discernere oportet, nempe perfectē dūra, quae nūllō impāctū figūram mūtant; perfectē elastica, quae ictū figūram mūtant, attamen eandem statim iterum assūmunt, velut sponte; perfectē mollia, quae figūram ictū mūtant, sed nōn amplius resūmunt ex propriā aliquā vī.[1]
- 1761, Andreas Jaszlinszky, Institutiones physicae: pars prima seu physica generalis in usum discipulorum concinnata 202:
- Lapidēs et quaedam rigida metalla impāctū vehementī alicujus corporis dūrī in partēs dissiliunt, vitrum in illās ad levem quoque contāctum diffringitur.[2]
- (please add an English translation of this quotation)
- Lapidēs et quaedam rigida metalla impāctū vehementī alicujus corporis dūrī in partēs dissiliunt, vitrum in illās ad levem quoque contāctum diffringitur.[2]
- impact, effect
Declension
Fourth-declension noun.
| singular | plural | |
|---|---|---|
| nominative | impāctus | impāctūs |
| genitive | impāctūs | impāctuum |
| dative | impāctuī | impāctibus |
| accusative | impāctum | impāctūs |
| ablative | impāctū | impāctibus |
| vocative | impāctus | impāctūs |
Descendants
- → Catalan: impacte
- → English: impact
- → French: impact
- → Galician: impacto
- → German: Impakt
- → Italian: impatto
- → Portuguese: impacto
- → Sicilian: mpattu
- → Spanish: impacto
References
R. E. Latham, D. R. Howlett, & R. K. Ashdowne, editors (1975–2013), “impactus”, in Dictionary of Medieval Latin from British Sources[3], London: Oxford University Press for the British Academy, →ISBN, →OCLC
Etymology 2
Perfect passive participle of impingō.
Participle
impāctus (feminine impācta, neuter impāctum); first/second-declension participle
Declension
First/second-declension adjective.
| singular | plural | ||||||
|---|---|---|---|---|---|---|---|
| masculine | feminine | neuter | masculine | feminine | neuter | ||
| nominative | impāctus | impācta | impāctum | impāctī | impāctae | impācta | |
| genitive | impāctī | impāctae | impāctī | impāctōrum | impāctārum | impāctōrum | |
| dative | impāctō | impāctae | impāctō | impāctīs | |||
| accusative | impāctum | impāctam | impāctum | impāctōs | impāctās | impācta | |
| ablative | impāctō | impāctā | impāctō | impāctīs | |||
| vocative | impācte | impācta | impāctum | impāctī | impāctae | impācta | |
References
- “impactus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
- “impactus”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
- “impactus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.