what does "H" mean in chat とはどういう意味ですか?
A: It doesn’t mean anything specifically, it just helps the c make the sound ch.

Without the h the word would be cat.
Q: H / O とはどういう意味ですか?
A: I don't think I've heard that! Where did you see it?
Q: "H" tape job とはどういう意味ですか?
A: QAの全文をご確認ください


Q: 8 と H はどう違いますか?
A: 8 is a number and H is a letter in the alphabet.


Q: H は 英語 (イギリス) で何と言いますか?
A: Listen to him say 'h' in this video.

That Mitchell and Webb Look - Grammar Nazi
Q: eight and "H" は 英語 (アメリカ) で何と言いますか?
Q: 19"H X 14"W は、何センチですか? は 英語 (アメリカ) で何と言いますか?
A: What is 19" H x 14" W in centimeters? = What is 19 inches high by 14 inches wide in centimeters?
Q: H は 英語 (アメリカ) で何と言いますか?
A: I'll say the following words:

H is like a breath
Q: How to say "8" and "H"? は 英語 (アメリカ) で何と言いますか?
A: 8-eight
H- ãCH


Q: What sound does an H make?
Is the sentence natural?
A: A little bit unnatural.

"What sound does H make?" is better.
Q: We will open on 27th, next Wed. from H store.
A: × We will open on 27th, next Wed.
✓ We will open on the 27th, next Wed.

× from H store.
✓ From H store.

Q: ‎What does H's mean?

"I got a pocket full of H's, and I'm not afraid to use them"

All context

-Did you hear about that?
-So, okay, listen.
- When I was growing up --
I mean, I am 17, but when I was like...
Really, like 5 or 4 or more or 3 -- I don't know.
I used to watch a show called
"The Electric Company," and -- [ Laughs ]
There was a guy on it,
and he had eyeliner,
and he was singing about H's
'cause it was, like,
a little kids show,
and he was like --
the hook was like --
What is it?
It was like "My H's," like...
Something, something, nothing --
I don't even know what it was,
but it was you, and then
I remember seeing you on TV,
and I was like,
"That's the guy
from the commercial
with the H's."

-It's such a long career.

-I got a pocket full of H's, and
I'm not afraid to use them.

-Yeah, pocket full of H's.
It was like a Ramones
type of song.

-And it was you!
-♪ I got a pocket full of H's,
and I'm not afraid to use them ♪
But no one saw that
in my whole lifetime.
A: On Jimmy Fallon
he takes the word “ cat” and adds an H and it becomes “ cHat”
he takes the word “bat” and adds an H and it becomes “ batH

He’s talking about the letter H and using it in benign little words
for a children’s show called the electric company.
Q: The H, which is variable,is range from 0 to 100 and step width is 10. この表現は自然ですか?
A: "The variable H has a value that ranges from 0 to 100 and its step width is 10."
Q: Before 'H' what do you use? a or an? For example: a hero or an hero?
A: It depends. Sometimes you use an, sometimes you use a.

Use a if the h is pronounced. Use an if the h is silent.

A hero
An hour
A horse