Has weight 2kg or 2kg weight [closed]

Question

I was wondering about variations of the form

"[subject] has/is [property] [units]."

So far, I concluded that these are agreeable as well as:

"[subject] with [property] [units] is..."

"[subject] has a [property] of [units]."

"A [property]-[units] [subject] is..."

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Below are some examples.

Initially, I was wondering about "field index." Since it's not common, I added "weight," which is supposed to be simple as a technical term. Unfortunately, since there's the verb "weigh", the weight examples sound awkward, where I suggested to use "mass" instead.

Most of example A is incorrect, but I'm leaving it as is not to put the discussion afterwards out of context.

In example B, I used the more common "vertex valence/degree," for which I could find expressions on google.

In example C, I took the simplest form and added different properties to give more examples for the pattern and for future searches.

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Example A:

1. It has weight of 2kg.
2. It has 2kg weight. (Treating 2kg as an adjective.)
3. It has field index of 2. (Same principle.)
4. It has 2 field index.
5. It has weight 2kg.
6. It has field index 2.

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Example B:

1. The vertex (in a graph) has valence 2.
2. The vertex has a valence 2.
3. The vertex is 2-valence.
4. A vertex with valence 2.
5. A vertex of degree 2.
6. The vertex has degree 2.
7. A degree 2 vertex.
8. A 2-degree vertex.

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Example C:

1. It is an update of rank 2.
2. It is a rank-2 update.
3. The vertex has defect (or Gaussian curvature) 90 degrees.
4. A surface of genus 2.

Answer 1

It has weight of 2kg. Would be better with "a" before "weight", but acceptable.
It has 2kg weight. Would be better with "of" after "2kg", but still would be weird with that.
It has field index of 2. Same as A1, but less need for "a".
It has 2 field index. Sort of sounds like you're saying its field index has two different values. Would be improved, but still not great, but adding more words, such as "It has 2 as field index".

The vertex (in a graph) has valence 2. A bit awkward, but could be idiomatic for some communities (I'm used to the term "degree" rather than "valence").
The vertex has a valence 2. No, needs "of" after "valence".
The vertex is 2-valence. Works better as an adjective ("It is a 2-valence vertex") than a subject complement, but can be acceptable.
A vertex with valence 2. A bit awkward; at least with "degree", "has" or "of" is more common.
A vertex of degree 2. Normal graph theory phrasing.
The vertex has degree 2. Normal graph theory phrasing.
A degree 2 vertex. Normal graph theory phrasing, but hyphen between "degree" and "2" would improve readability.
2-degree vertex. I think it's pretty standard to put the number after the word "degree".

Answer 2

None of your six examples are correct English.

Your examples 2, 4, 5, and 6 are unsalvageable. English does not work that way.

Your examples 1 and 3 would be grammatically correct if you inserted the indefinite article: "It has a weight of 2kg," "it has a field index of 2." (For weight you could also use the definite article and make it a comparison: "It has the weight of two one-kilo barbells.")

But those still sound unnatural and unidiomatic, at least for weight. Instead:

• It weighs 2kg.
• Its field index is 2.

"Field index" is not a common thing to talk about and so "It has a field index of 2" could work. It definitely sounds more technical and not quite as natural as describing "field index" as a property which the object possesses, but it could work. "It has a weight of 2kg" is not something a native speaker would ever say.

Answer 3

From Pondy.

None of Example A are acceptable to me. They should be

1. It has a weight of 2kg.
2. Its weight is 2kg
3. It has a field index of 2.
4. Its field index is 2
5. It weighs 2kg.

Example B:

1. The vertex (in a graph) has valence 2. OK
2. The vertex has a valence 2. NO: should be The vertex has a valence of 2.
3. The vertex is 2-valence. WEIRD
4. A vertex with valence 2. OK
5. A vertex of degree 2. OK
6. The vertex has degree 2. OK
7. A degree 2 vertex. WEIRD
8. A 2-degree vertex. NO

Example C:

1. It is an update of rank 2. OK
2. It is a rank-2 update. NO. Shouldn't have the hyphen