| Definition/Meaning | Word/Phrase |
| obsolete kind of container used for distillation; two retorts connected by a tube |
alembic
|
| obsolete term for the study and treatment of mental illness |
alienism
|
| obsolete firearm with a long barrel |
arquebus
,
hackbut
,
hagbut
,
harquebus
|
| obsolete name for nitrogen |
azote
|
| (obsolete) a combination of elements (of dryness and warmth or of the four humors) that was once believed to determine a person's health and temperament |
complexion
|
| obsolete gunlock that has flint embedded in the hammer; the flint makes a spark that ignites the charge |
flintlock
|
| ancient (now obsolete) single-reed woodwind; usually made of bone |
hornpipe
,
pibgorn
,
stockhorn
|
| now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons |
image orthicon
,
orthicon
|
| obsolete terms for legal insanity |
insaneness
,
lunacy
,
madness
|
| obsolete British unit of capacity equal to 18 Imperial gallons |
kilderkin
|
| obsolete unit of distance of variable length (usually 3 miles) |
league
|
| obsolete term for the network of viscous material in the cell nucleus on which the chromatin granules were thought to be suspended |
linin
|
| obsolete water-cooled machine gun having a single barrel |
Maxim gun
|
| obsolete firearm that was loaded through the muzzle |
muzzle loader
|
| process of becoming obsolete; falling into disuse or becoming out of date |
obsolescence
|
| useless and obsolete |
obsolescent
,
outmoded
,
superannuated
|
| (Old Testament) an obsolete name for the Old Testament books of I Chronicles and II Chronicles which were regarded as supplementary to Kings |
Paralipomenon
|
| obsolete thing, to get rid of |
pension off
,
put out to pasture
|
| obsolete bass cornet; resembles a snake |
serpent
|
| obsolete thing, to replace |
supersede
|