ha

¹

or hah

[ hah ]

interjection

1. (used as an exclamation of surprise, interrogation, suspicion, triumph, etc.)

ha

²

abbreviation for

1. hectare; hectares.

ḥā

³

[ khah ]

noun

1. the sixth letter of the Arabic alphabet, representing a pharyngeal spirant consonant.

hā

⁴

[ hah ]

noun

1. the 26th letter of the Arabic alphabet, representing a glottal spirant consonant sound.

Ha

⁵

Symbol, Chemistry, Physics.

1. hahnium.

h.a.

⁶

abbreviation for

1. Gunnery. high angle.
2. in this year.

ha

¹

/ hɑː /

interjection

1. an exclamation expressing derision, triumph, surprise, etc, according to the intonation of the speaker
2. reiterated a representation of the sound of laughter

Ha

²

abbreviation for

1. Hawaii

ha

³

symbol for

1. hectare

h.a.

⁴

abbreviation for

1. hoc anno

Word History and Origins

Origin of ha¹

Middle English word dating back to 1250–1300; ha-ha ¹

Origin of ha²

From Arabic

Origin of ha³

From Arabic

Origin of ha⁴

h.a. ( def 2 ) < Latin hōc annō

Word History and Origins

Origin of ha¹

Latin: in this year

Example Sentences

In the research that has been published on these procedures, several studies show the risks are relatively low for injecting HA, which can be dissolved.

From Salon

A few years later, the procedures had gotten more popular and he found a doctor closer to home offering HA injections.

From Salon

Besides HA, doctors have injected several products into the penis.

From Salon

He uses a hybrid product that combines HA with Radiesse, a cosmetic filler.

From Salon

Also, Big Lasagna, ha ha, like it’s a notorious lobbying group.

From Slate