прота́чивать

verbimperfectivevery rarely used (#46790)

1.
to gnaw through, to eat through, to bore holes in
Че́рви прота́чивают ды́рки в я́блоках.
Worms eat holes through the apples.
Typically of worms, insects or corrosion making passages in wood, fruit or metal.
2.
to wash out, to wear away, to erode
Вода́ ме́дленно прота́чивает ка́мень.
Water slowly wears away the stone.
Of water gradually cutting a channel or hollow.
3.
to turn (on a lathe), to bore throughengineering
То́карь прота́чивает кана́вку на дета́ли.
The turner is cutting a groove in the part.
Technical: cutting a groove or opening in a workpiece.
4.
(rare) to stitch through, to machine-stitchsewing
Швея́ прота́чивает шов на маши́нке.
The seamstress stitches the seam through on the machine.
From протачать: sewing a seam right through the fabric.

Examples

Мастер протачивает деталь на станке.
The machinist is turning the part on a lathe.
Рабочий протачивал отверстие в металле.
The worker was boring a hole in the metal.
Вода протачивает камень много лет подряд.
Water erodes stone over many years.

Imperative
ты	прота́чивай
вы	прота́чивайте

Active present	прота́чивающий	boring through, drilling through, grinding through, wearing through
Active past	прота́чивавший	turning, machining, grinding, gnawing through
Passive present	прота́чиваемый	being turned, being machined, being ground, turnable, machinable, grindable
Passive past	-
Gerund present	прота́чивая	while doing (present)
Gerund past	протачивав протачивавши	while doing (past)

Verb	Prefix	Meaning
вта́чивать	в-	to stitch
выта́чивать	вы-	to turn
зата́чивать	за-	to sharpen
обта́чивать	об-	to turn (on a lathe); to grind (all round); to stitch round

LockedUnlock verb prefix groups