HIGH FREQUENCY

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does high frequency mean? 

• HIGH FREQUENCY (noun)
  The noun HIGH FREQUENCY has 2 senses:

1. 3 to 30 megahertz

2. a pitch that is perceived as above other pitches

  Familiarity information: HIGH FREQUENCY used as a noun is rare.

 Dictionary entry details 

• HIGH FREQUENCY (noun)

Sense 1

Meaning:

3 to 30 megahertz

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

HF; high frequency

Hypernyms ("high frequency" is a kind of...):

radio frequency (an electromagnetic wave frequency between audio and infrared)

Holonyms ("high frequency" is a part of...):

electromagnetic spectrum (the entire frequency range of electromagnetic waves)

Sense 2

Meaning:

A pitch that is perceived as above other pitches

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

high frequency; high pitch

Hypernyms ("high frequency" is a kind of...):

pitch (the property of sound that varies with variation in the frequency of vibration)

 Context examples 

A genetic sequence at which mutations occur with an unusually high frequency.

(Genetic Hotspot, NCI Thesaurus)

A condition in which a person loses the ability to hear high frequency sounds.

(High Frequency Hearing Loss, NCI Thesaurus)

They suspected that the short, high frequency electrical waves seen in ripples may somehow be involved.

(Our brains may ripple before remembering, National Institutes of Health)

Ultrasound technology utilizes high frequency waves and their echoes to produce an image. 2005

(Endoscopic ultrasound, NCI Thesaurus)

Importantly, the researchers observed entrainment at the low frequencies that carry meaningful information in sign language, not at the high frequencies usually seen in visual activity.

(The Rhythms of Sign Language, NSF)

A rare histological variant of glioblastoma (WHO grade IV) with a predominance of bizarre, multinucleated giant cells, an occasionally abundant stromal reticulin network, and a high frequency of TP53 mutations.

(Giant Cell Glioblastoma, NCI Thesaurus/WHO)

Mutations in TP53 are also found with high frequency (>50%) in sporadic BCC.

(Basal Cell Carcinoma Pathway, NCI Thesaurus/KEGG)

Giant Cell Glioblastoma is a histological variant of Glioblastoma with a predominance of bizarre, multinucleated giant cells, an occasionally abundant stromal reticulin network and a high frequency of TP53 mutations.

(Mouse Giant Cell Glioblastoma, NCI Thesaurus/MMHCC)

A gene mutation observed with high frequency in a group that is or was geographically or culturally isolated, in which one or more of the ancestors was a carrier of the mutant gene.

(Founder Mutation, NCI Dictionary)

The researchers were able to use a flashing LED light, which was flashed at high frequency that it became invisible to the observer's eye to allow the study participants to process only one image by cancelling one of the two produced in each eye.

(Arrangement of light receptors in the eye may cause dyslexia, Wikinews)