Pronunciation: [kˈɑːkuː] (IPA) 
The word "kaku" is spelled with two syllables, with the first syllable "ka" pronounced as /ˈkɑː/, and the second syllable "ku" pronounced as /kuː/. The vowel sound in the first syllable is an open back unrounded vowel while the second syllable has a long "u" sound that is similar to the word "to" in English. The spelling of this unique word is influenced by Japanese phonetics and is used to describe a physicist who studies gravity.
Kaku is a Japanese term that primarily has two different meanings. The first meaning of kaku is "to draw" or "to paint." It refers to the act of creating visual representations or images on a flat surface with various artistic tools such as pens, pencils, brushes, or digital software. This definition of kaku is often associated with traditional Japanese calligraphy and ink painting, where artists carefully execute strokes to convey meaning and aesthetics. In modern usage, kaku can also be used in the context of digital art forms or graphic design.
The second meaning of kaku is "angle" or "perspective." In this context, it refers to the geometric concept of angles, angles of view, or points of view. Kaku is utilized to describe the way an object or scene is observed or perceived from a specific vantage point or spatial orientation. This definition of kaku is commonly used in mathematics, physics, and engineering to measure and analyze the angles between lines, surfaces, or objects.
Both definitions of kaku, "to draw" and "angle/perspective," reflect the versatility and adaptability of the term in different fields of art, science, and everyday life.
