subvocalization

noun

sub·​vo·​cal·​i·​za·​tion ˌsəb-ˌvō-kə-lə-ˈzā-shən 

: the act or process of inaudibly articulating speech with the speech organs

subvocalize

ˌsəb-ˈvō-kə-ˌlīz 

verb

Word History

First Known Use

1925, in the meaning defined above

Medical Definition

subvocalization

noun

sub·​vo·​cal·​iza·​tion

variants also British subvocalisation

-ˌvō-kə-lə-ˈzā-shən 

: the act or process of inaudibly articulating speech with speech organs

subvocalize verb

also British subvocalise

-ˈvō-kə-ˌlīz 

subvocalized also British subvocalised; subvocalizing also British subvocalising