הבקבוק עשוי מפלסטיק.

Hebrew usually does not use a present-tense form of to be in simple sentences like this.

So:

• הבקבוק עשוי מפלסטיק literally looks like:
• the-bottle made of-plastic

But in natural English, we translate it as:

• The bottle is made of plastic.

This is very normal in Hebrew. In the present tense, the linking verb is often simply omitted.

The prefix ה־ is the definite article, meaning the.

So:

• בקבוק = bottle
• הבקבוק = the bottle

Hebrew attaches the directly to the noun instead of writing it as a separate word.

עשוי is the masculine singular form.

It agrees with הבקבוק (the bottle), which is a masculine singular noun in Hebrew.

So the agreement is:

• הבקבוק עשוי = masculine singular + masculine singular

If the noun were feminine, you would usually use עשויה instead.

For example:

• הכוס עשויה מזכוכית = The cup is made of glass

Here עשוי means made in the sense of constructed from / composed of.

It comes from the verb עשה (to do / to make), but in this pattern it functions like an adjective or participle.

So:

• עשוי מ־... = made of ...

In this sentence:

• עשוי מפלסטיק = made of plastic

מפלסטיק is made of:

• מ־ = from / of
• פלסטיק = plastic

Together:

• מפלסטיק = from plastic / of plastic

In English, with materials, we usually say made of plastic.

So even though מ־ often means from, here the natural English meaning is of.

Because Hebrew uses the prefix מ־ in this expression.

In English, we say:

• made of plastic

In Hebrew, the equivalent structure is:

• עשוי מ־פלסטיק

So of is not a separate word. The idea is carried by the prefix מ־ attached directly to the noun.

A simple pronunciation is:

• ha-bak-BUK a-SUI mi-plas-TIK

More carefully:

• הבקבוק = ha-bakbuk
• עשוי = asui
• מפלסטיק = mi-plastik

The main stress is usually near the end of each word:

• baKBUK
• aSUI
• plasTIK

Because פלסטיק is just the normal noun plastic.

Hebrew often uses the plain material noun after עשוי מ־:

• עשוי מעץ = made of wood
• עשוי ממתכת = made of metal
• עשוי מפלסטיק = made of plastic

No extra ending is needed.

Because the sentence means made of plastic in a general material sense, not made of the plastic.

So:

• הבקבוק = the bottle
• מפלסטיק = of plastic

The bottle is specific, but the material is being named generally.

If you added ה־ to פלסטיק, it would sound more like referring to some specific plastic already known in the conversation.

Yes, it is a very common and natural way.

Examples:

• השולחן עשוי מעץ = The table is made of wood
• הטבעת עשויה מזהב = The ring is made of gold
• הבקבוק עשוי מפלסטיק = The bottle is made of plastic

This is one of the standard patterns Hebrew learners should know.

Yes, but it means something slightly different in structure.

• בקבוק פלסטיק = a plastic bottle
• הבקבוק עשוי מפלסטיק = the bottle is made of plastic

The first is a noun phrase. The second is a full sentence.

So if you want to describe the type of bottle, בקבוק פלסטיק is common. If you want to say what the bottle is made of, הבקבוק עשוי מפלסטיק is the clearer full sentence.

The form of עשוי changes to agree with the noun.

Common forms:

• עשוי = masculine singular
• עשויה = feminine singular
• עשויים = masculine plural
• עשויות = feminine plural

Examples:

• הבקבוק עשוי מפלסטיק = The bottle is made of plastic
• הכוס עשויה מפלסטיק = The cup is made of plastic
• הבקבוקים עשויים מפלסטיק = The bottles are made of plastic
• הכוסות עשויות מפלסטיק = The cups are made of plastic

No. In this sentence, it means made of, but עשוי can appear in other expressions too.

For example:

• עשוי מ־ = made of
• עשוי ל־ can mean liable / likely to / intended to, depending on context

But for beginners, in a sentence like this one, the safe meaning is:

• עשוי מ־... = made of ...

You could understand it that way, but the best natural English translation is:

• The bottle is made of plastic

Hebrew מ־ can correspond to from or of, but with materials English usually prefers made of.

So for learning purposes, this sentence is best matched with:

• הבקבוק עשוי מפלסטיק = The bottle is made of plastic