No. By which I mean it's not either, because the O in "coin" isn't really an O, it's part of the dipthong OI, which has its own pronunciation that's distinct from either long or short O.
In the word "coin," the vowel sound is considered a diphthong, which means it is a combination of two vowel sounds. The "oi" in "coin" creates a long vowel sound, similar to the sound in the word "boy." This diphthong is a combination of the /ɔɪ/ sounds, where the /ɔ/ is the long vowel sound.
The O is a long O as in bone and tone. The E is silent.
The O in 'who' is long, but it isn't a long 'o'. It's a long 'u'.
oxygen is pronounced likeox as in oxenEjun
"Book" has a short "o" sound, while "tomb" has a long "o" sound.
moment has a long o sounda long vowel sound is a sound which is the same as, or very similar to the letter name of the vowel.
Short O
short
short o
In the word "coin," the vowel sound is considered a diphthong, which means it is a combination of two vowel sounds. The "oi" in "coin" creates a long vowel sound, similar to the sound in the word "boy." This diphthong is a combination of the /ɔɪ/ sounds, where the /ɔ/ is the long vowel sound.
The O is a long O as in bone and tone. The E is silent.
The O in 'who' is long, but it isn't a long 'o'. It's a long 'u'.
Short o
oxygen is pronounced likeox as in oxenEjun
"Book" has a short "o" sound, while "tomb" has a long "o" sound.
Closet has a short o sound.
It has a long vowel sound.