| Subject | English | Portuguese |
| health., anim.husb. | anti-mouse antibody | anticorpo antirrato |
| nat.res. | common field mouse | rato-do-campo-de-rabo-curto (Microtus agrestis) |
| nat.res. | common field mouse | ratinho-dos-pastos (Microtus agrestis) |
| agric. | common wood mouse | rato-do-campo (Apodemus sylvaticus) |
| IT | computer mouse | rato para computador |
| nat.res. | cotton mouse | rato do algodoeiro |
| nat.res. | field mouse | rato-silvestre (Microtus arvalis) |
| forestr. | field-mouse | arganaz |
| nat.res. | grass mouse | rato-do-campo-de-rabo-curto (Microtus agrestis) |
| nat.res. | grass mouse | ratinho-dos-pastos (Microtus agrestis) |
| nat.res. | Highland grass mouse | rato-do-campo-de-rabo-curto (Microtus agrestis) |
| nat.res. | Highland grass mouse | ratinho-dos-pastos (Microtus agrestis) |
| nat.sc., agric. | hopping mouse | murganhos saltadores (Notomys) |
| med., life.sc., tech. | knockout mouse | rato knockout |
| med., life.sc., tech. | knockout mouse | rato com gene inativado |
| environ., nat.res. | large desert marsupial-mouse | rato marsupial do deserto (Sminthopsis psammophila) |
| comp., MS, Braz. | left mouse button | botão esquerdo do mouse (The button on your pointing device that you use most often for clicking and double-clicking) |
| comp., MS | left mouse button | botão esquerdo do rato (The button on your pointing device that you use most often for clicking and double-clicking) |
| agric. | longtailed filed mouse | rato-do-campo (Apodemus sylvaticus) |
| environ., nat.res. | long-tailed marsupial-mouse | rato marsupial de cauda comprida (Sminthopsis longicaudata) |
| nat.res. | meadow mouse | rato-do-campo-de-rabo-curto (Microtus agrestis) |
| nat.res. | meadow mouse | ratinho-dos-pastos (Microtus agrestis) |
| social.sc. | Mickey Mouse | consumidor ocasional |
| industr., construct., chem. | Mickey Mouse stopper | rolha conta-gotas |
| comp., MS, Braz. | mouse button | botão do mouse (A movable piece on a device that is pressed to activate some function) |
| comp., MS, Braz. | mouse click | clique do mouse (The action of pressing and releasing one of the mouse buttons) |
| med., life.sc. | mouse coat color spot test | teste pontual no rato |
| med., life.sc. | mouse coat color spot test | teste da mancha no ratinho |
| med., life.sc. | mouse coat color spot test | spot test no ratinho |
| IT, dat.proc. | mouse cursor | cursor do rato |
| environ., nat.res. | mouse-ear hawkweed | pilosela-das-boticas (Hieracium Pilosella Lin., Hieracium pilosella) |
| med. | Mouse Ear Swelling Assay | Ensaio de tumefação do pavilhão auricular no ratinho |
| med. | Mouse Ear Swelling Test | Ensaio de tumefação do pavilhão auricular no ratinho |
| environ., nat.res. | mouse-eared bat | morcego-rato-grande (Myotis myotis) |
| patents. | mouse holders | suporte para rato |
| comp., MS, Braz. | mouse icon | ícone do mouse (An icon that appears when you do a right-click equivalent by pressing and holding the tablet pen on the screen) |
| comp., MS | mouse icon | ícone do rato (An icon that appears when you do a right-click equivalent by pressing and holding the tablet pen on the screen) |
| nat.res. | mouse lemur | lémures-ratos (Microcebus murinus) |
| IT | mouse mat | tapete de rato |
| patents. | mouse mats | tapetes para o rato |
| IT | mouse pad | tapete de rato |
| comp., MS, Braz. | mouse pointer | ponteiro do mouse (An on-screen element whose location changes as the user moves the mouse. Depending on the location of the mouse pointer and the operation of the program with which it is working, the area of the screen where the mouse pointer appears serves as the target for an action when the user presses one of the mouse buttons) |
| IT, dat.proc. | mouse pointer | apontador de rato |
| comp., MS | mouse pointer | ponteiro do rato (An on-screen element whose location changes as the user moves the mouse. Depending on the location of the mouse pointer and the operation of the program with which it is working, the area of the screen where the mouse pointer appears serves as the target for an action when the user presses one of the mouse buttons) |
| comp., MS, Braz. | mouse shortcut | atalho do mouse (A predefined command for a single mouse click or a double mouse click, with or without a modifier key, that can be used to perform a task) |
| med., life.sc. | mouse spot test | teste da mancha no ratinho |
| med., life.sc. | mouse spot test | teste pontual no rato |
| med., life.sc. | mouse spot test | spot test no ratinho |
| mech.eng., construct. | mouse trap | lâmina de metal para intercetar a água dentro do sulco |
| hobby | mouse-trap | ratoeira |
| gen. | mouse traps | ratoeiras para ratos |
| comp., MS, Braz. | primary mouse button | botão principal do mouse (The button on your pointing device that you use most often for clicking and double-clicking) |
| comp., MS | primary mouse button | botão primário do rato (The button on your pointing device that you use most often for clicking and double-clicking) |
| environ., nat.res. | pygmy mouse lemur | lémure-rato-pigmeu (Microcebus myoxinus) |
| health., nat.res. | rabbit anti-mouse globulin | globulina de coelho anti-rato |
| pharma., chem. | rabbit anti-mouse globulin | globulina de coelho antirrato |
| health., anim.husb. | rabbit anti-mouse immunoglobulin | imunoglobulina de coelho antirrato |
| comp., MS, Braz. | right mouse button | botão direito do mouse (The button on your pointing device that you use to display shortcut menus or other program-specific features) |
| environ., nat.res. | Shark bay false mouse | falso-murganho-da-baía-de-shark (Pseudomys praeconis) |
| environ., nat.res. | Shark bay mouse | falso-murganho-da-baía-de-shark (Pseudomys praeconis) |
| nat.res. | Shark Bay mouse | falso-murganho-da-baía-de-shark (Pseudomys praeconis) |
| nat.sc., agric. | Shortridge's native mouse | falso-murganho-de-shortrige (Pseudomys shortridgei) |
| nat.res. | short-tailed field mouse | rato-do-campo-de-rabo-curto (Microtus agrestis) |
| nat.res. | short-tailed field mouse | ratinho-dos-pastos (Microtus agrestis) |
| nat.sc., agric. | smokey mouse | falso-murganho-fuliginoso (Pseudomys fumeus) |
| IT, tech. | trackball mouse | esfera rolante |
| IT, tech. | trackball mouse | esfera de controlo |
| health. | transgenic mouse | rato transgénico |
| health., anim.husb. | unweaned mouse | rato não desmamado |
| nat.sc., agric. | white mice | ratinhos brancos |