الغسيل بالغسالة.

A common Levantine pronunciation is:

il-ghasiil bil-ghassaale

A few notes:

• غ is pronounced like a French or Parisian r, or a gargled gh sound.
• غسيل = ghasiil
• غسالة = ghassaale, with a doubled s sound.
• ال is often heard as il- or el- in Levantine, depending on region and speaker.

So the whole phrase flows like:

il-ghasiil bil-ghassaale

Because both nouns are definite:

• الغسيل = the laundry / the washing
• الغسالة = the washing machine

In Arabic, it is very normal for both the main noun and the noun inside a prepositional phrase to be definite if the meaning is definite in context.

So:

• غسيل = laundry
• الغسيل = the laundry
• غسالة = a washing machine
• الغسالة = the washing machine

Here بـ is the preposition bi-, which often means in, with, or by, depending on context.

In this phrase, بالغسالة means something like:

• in the washing machine
• or sometimes by machine / using the washing machine, depending on context

This is very common in spoken Arabic: بـ is flexible and often does jobs that English splits into several different prepositions.

Because the preposition بـ attaches directly to the following word in Arabic spelling.

So:

• بـ
  • الغسالة becomes
• بالغسالة

This is normal Arabic spelling. Short prepositions like بـ, لـ, and كـ are written attached to the word after them.

Because in Arabic, especially in the present tense, the verb to be is usually omitted.

So a phrase like:

الغسيل بالغسالة

can naturally mean:

The laundry is in the washing machine

without an actual word for is.

This is one of the most important differences from English. In the present tense, Arabic often just places:

• the thing being talked about
• plus a location or description

and the meaning is is understood automatically.

They come from the same root related to washing, but they are different words:

• غسيل = laundry, washing, clothes being washed
• غسالة = washing machine

So:

• الغسيل is the thing being washed
• الغسالة is the machine that does the washing

This is a useful pattern to notice:

• -ة on a noun can sometimes be part of a word naming a tool or machine, though you should learn each word individually.

Yes, you can.

• الغسيل بالغسالة
• الغسيل في الغسالة

Both can work, but the nuance can shift a little.

Very roughly:

• في الغسالة is more directly in the washing machine
• بالغسالة can sound a bit more like in/with the washing machine or being done by machine

In everyday Levantine, both are understandable. In many situations, بالغسالة sounds very natural and compact.

It can function as either, depending on context.

As a short spoken reply, note, or label, الغسيل بالغسالة can stand on its own very naturally.

For example, if someone asks where the laundry is, this phrase can mean:

The laundry is in the washing machine.

Arabic often allows these short, verb-less expressions where English would normally require a full sentence.

No. In this phrase, ال keeps its l sound.

That is because غ is a moon letter, not a sun letter.

So:

• الغسيل is pronounced il-ghasiil, not igh-ghasiil
• الغسالة is pronounced il-ghassaale, and after بـ it becomes bil-ghassaale

This is a useful rule:

• with moon letters, the l in ال is pronounced
• with sun letters, the l assimilates to the next consonant

It is definitely understandable more widely, but it feels very natural in spoken Levantine because of:

• the lack of a verb
• the everyday use of بـ
• the spoken-style pronunciation

A more formal or Standard Arabic version might be expressed differently depending on context, but this sentence is very normal as colloquial speech.

So as a learner of Levantine, this is a useful real-life pattern to know.