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“3D” and “3-D” are both correct. You should hyphenate it when following The Chicago Manual of Style (and AP Style allows both forms). It’s best to avoid the hyphen in most other styles.
22 wrz 2015 · "3d" means "third" and "2d" means "second" and these notations are used in legal terminology (although they are not used in British English, and normally one would just use "3rd" or "2nd"). 3-D means three-dimensional. The hyphen is not eliminated when abbreviating the term.
It's normal to represent third as 3rd, not "3d". The latter might be used if a foreign language were being translated by someone who is used to using only a single character to represent an ordinal (for example, in Italian). This is supported by a Google Ngram comparing 3rd to 3d.
The terms “3D” and “3-D” are two alternative acronyms for the term “three-dimensional”. In the published literature both variants are commonly used but what is the derivation of the two forms and what are the drivers of usage?
1 sie 2013 · Download Citation | 3D or 3-D: A study of terminology, usage and style | The terms "3D" and "3-D" are two alternative acronyms for the term "three-dimensional".
14 lut 2019 · It depends. MLA style minimizes the use of abbreviations in prose, but if in certain contexts the abbreviation is more common than the spelled out term, use the abbreviation. For example, you might refer to a 3-D movie rather than a three-dimensional movie, but you might write a two-dimensional surface rather than a 2-D surface.
2 maj 2024 · A tense chart is a simple and effective way to understand the timeline, continuity, completion, and scope of any action. Let’s dive into it: Tense Full Chart with Rules. This compact resource neatly presents all the tenses in English – past, present, and future – in an easy-to-understand format.
