Beat only has one syllable.
There are 4 syllables. Un-beat-a-ble.
Uno. One.
1
Clothesline has two syllables. The syllables are clothes-line.
Laboratory has four syllables.
A syllable is a distinct beat in a word. Thus for the word "caption" there are two syllables. These are the distinct beats on "cap" and "tshun."
There are nine syllables in the phrase "much have you traveled in the realms of gold."
There are 4 syllables in pretentiously.
One and a half. If you clap out the 'beat' of the word as you say it, it becomes easier to spot the syllables. However some words, particularly those with suffixes such as -ed, end up with a half beat on the end.
It has 5 syllables.
2 + 2 = 4 syllables
11, unless you didn't mean to repeat does does.